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Esaki H, Izumi S, Nishikawa K, Nagayasu K, Kaneko S, Nishitani N, Deyama S, Kaneda K. Role of medial prefrontal cortex voltage-dependent potassium 4.3 channels in nicotine-induced enhancement of object recognition memory in male mice. Eur J Pharmacol 2024; 978:176790. [PMID: 38942263 DOI: 10.1016/j.ejphar.2024.176790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2024] [Accepted: 06/26/2024] [Indexed: 06/30/2024]
Abstract
Nicotine has been shown to enhance object recognition memory in the novel object recognition (NOR) test by activating excitatory neurons in the medial prefrontal cortex (mPFC). However, the exact neuronal mechanisms underlying the nicotine-induced activation of mPFC neurons and the resultant memory enhancement remain poorly understood. To address this issue, we performed brain-slice electrophysiology and the NOR test in male C57BL/6J mice. Whole-cell patch-clamp recordings from layer V pyramidal neurons in the mPFC revealed that nicotine augments the summation of evoked excitatory postsynaptic potentials (eEPSPs) and that this effect was suppressed by N-[3,5-Bis(trifluoromethyl)phenyl]-N'-[2,4-dibromo-6-(2H-tetrazol-5-yl)phenyl]urea (NS5806), a voltage-dependent potassium (Kv) 4.3 channel activator. In line with these findings, intra-mPFC infusion of NS5806 suppressed systemically administered nicotine-induced memory enhancement in the NOR test. Additionally, miRNA-mediated knockdown of Kv4.3 channels in mPFC pyramidal neurons enhanced object recognition memory. Furthermore, inhibition of A-type Kv channels by intra-mPFC infusion of 4-aminopyridine was found to enhance object recognition memory, while this effect was abrogated by prior intra-mPFC NS5806 infusion. These results suggest that nicotine augments the summation of eEPSPs via the inhibition of Kv4.3 channels in mPFC layer V pyramidal neurons, resulting in the enhancement of object recognition memory.
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Affiliation(s)
- Hirohito Esaki
- Laboratory of Molecular Pharmacology, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, 920-1192, Japan
| | - Shoma Izumi
- Laboratory of Molecular Pharmacology, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, 920-1192, Japan
| | - Keisuke Nishikawa
- Laboratory of Molecular Pharmacology, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, 920-1192, Japan
| | - Kazuki Nagayasu
- Department of Molecular Pharmacology, Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida-Shimoadachi-cho, Sakyo-ku, Kyoto, 606-8501, Japan
| | - Shuji Kaneko
- Department of Molecular Pharmacology, Graduate School of Pharmaceutical Sciences, Kyoto University, 46-29 Yoshida-Shimoadachi-cho, Sakyo-ku, Kyoto, 606-8501, Japan
| | - Naoya Nishitani
- Laboratory of Molecular Pharmacology, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, 920-1192, Japan
| | - Satoshi Deyama
- Laboratory of Molecular Pharmacology, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, 920-1192, Japan
| | - Katsuyuki Kaneda
- Laboratory of Molecular Pharmacology, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, 920-1192, Japan.
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Yang L, Liu N, Yang Y. Astragaloside IV-induced BMSC exosomes promote neovascularization and protect cardiac function in myocardial infarction mice via the miR-411/HIF-1α axis. J Liposome Res 2024; 34:452-463. [PMID: 38088046 DOI: 10.1080/08982104.2023.2293844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 12/07/2023] [Indexed: 12/26/2023]
Abstract
This study focused on investigating the mechanism of the astragaloside IV-induced bone marrow mesenchymal stem cell exosome (AS-IV-MSC-exo)/microRNA(miR)-411/HIF-1α axis in affecting vascular neovascularization and protecting cardiac function in myocardial infarction (MI) mice. Exosomes (MSC-exo and AS-IV-MSC-exo) were separated by differential centrifugation and then characterized. MI mouse models were established by left anterior descending coronary artery ligation. Echocardiography was used to evaluate cardiac function. HE staining and Masson staining were performed to observe myocardial histopathology. Capillary density in the myocardium via immunohistochemistry and quantified the expression of vascular endothelial growth factor (VEGF) via RT-qPCR. The expression of miR-411 and HIF-1α was tested by RT-qPCR and western blot and the targeting relationship of miR-411 and HIF-1α was verified by bioinformatics website and dual luciferase reporter gene assay. Exosomes with lipid bi-layer membrane structure, expressing exosomal surface marker proteins, and being taken up by cardiomyocytes could be successfully isolated utilizing ultracentrifugation. Intramyocardial injection of MSC-exo could restore cardiac function, decrease myocardial pathological changes and collagen deposition, and promote neovascularization in MI mice; the effect of AS-IV-MSC-exo was more significant. The ability of AS-IV-MSC-exo to restore cardiac function, lower myocardial pathological changes and collagen deposition, and promote neovascularization in MI mice was diminished when miR-411 expression in AS-IV-MSC-exo was reduced. Mechanistically, miR-411 was found to target and inhibit HIF-1α expression. Overexpression of HIF-1α impaired the impact of AS-IV-MSC-exo on improving cardiac function and promoting neovascularization in MI mice. AS-IV-MSC-exo improves cardiac function and promoted neovascularization via the miR-411/HIF-1α axis, thereby ameliorating MI.
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Affiliation(s)
- Lei Yang
- School of Medicine, Zhumadian Key Laboratory of Chronic Disease Research and Translational Medicine, Huanghuai University, Zhumadian, People's Republic of China
- Department of Scientific Research Section, Zhumadian Central Hospital, Affiliated Hospital of Huanghuai University, Zhumadian, People's Republic of China
| | - Nuan Liu
- School of Medicine, Zhumadian Key Laboratory of Chronic Disease Research and Translational Medicine, Huanghuai University, Zhumadian, People's Republic of China
- Department of Scientific Research Section, Zhumadian Central Hospital, Affiliated Hospital of Huanghuai University, Zhumadian, People's Republic of China
- Institute of Cardiovascular and Cerebrovascular Diseases, Huanghuai University, Zhumadian, People's Republic of China
| | - Yang Yang
- Department of Scientific Research Section, Zhumadian Central Hospital, Affiliated Hospital of Huanghuai University, Zhumadian, People's Republic of China
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Shi C, Wen Z, Yang Y, Shi L, Liu D. NAD+ metabolism and therapeutic strategies in cardiovascular diseases. ATHEROSCLEROSIS PLUS 2024; 57:1-12. [PMID: 38974325 PMCID: PMC11223091 DOI: 10.1016/j.athplu.2024.06.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 05/25/2024] [Accepted: 06/10/2024] [Indexed: 07/09/2024]
Abstract
Nicotinamide adenine dinucleotide (NAD+) is a central and pleiotropic metabolite involved in cellular energy metabolism, cell signaling, DNA repair, and protein modifications. Cardiovascular diseases (CVDs) are the leading cause of death worldwide. Metabolic stress and aging directly affect the cardiovascular system. Compelling data suggest that NAD + levels decrease with age, obesity, and hypertension, which are all notable risk factors for CVD. In addition, the therapeutic elevation of NAD + levels reduces chronic low-grade inflammation, reactivates autophagy and mitochondrial biogenesis, and enhances oxidative metabolism in vascular cells of humans and rodents with vascular disorders. In preclinical models, NAD + boosting can also expand the health span, prevent metabolic syndrome, and decrease blood pressure. Moreover, NAD + storage by genetic, pharmacological, or natural dietary NAD + -increasing strategies has recently been shown to be effective in improving the pathophysiology of cardiac and vascular health in different animal models, and human health. Here, we review and discuss NAD + -related mechanisms pivotal for vascular health and summarize recent experimental evidence in NAD + research directly related to vascular disease, including atherosclerosis, and coronary artery disease. Finally, we comparatively assess distinct NAD + precursors for their clinical efficacy and the efficiency of NAD + elevation in the treatment of major CVD. These findings may provide ideas for new therapeutic strategies to prevent and treat CVD in the clinic.
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Affiliation(s)
- Chongxu Shi
- Nantong Laboratory of Development and Diseases, School of Life Science, Nantong University, Nantong, China
| | - Zhaozhi Wen
- Nantong Laboratory of Development and Diseases, School of Life Science, Nantong University, Nantong, China
| | - Yihang Yang
- Nantong Laboratory of Development and Diseases, School of Life Science, Nantong University, Nantong, China
| | - Linsheng Shi
- Department of Cardiology, The Second Affiliated Hospital of Nantong University, Nantong, China
| | - Dong Liu
- Nantong Laboratory of Development and Diseases, School of Life Science, Nantong University, Nantong, China
- Department of Cardiology, The Second Affiliated Hospital of Nantong University, Nantong, China
- Co-Innovation Center of Neuroregeneration, Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Nantong University, Nantong, China
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4
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Jiang H, Fu Q, Yang J, Qin H, Li A, Liu S, Liu M. Blue light irradiation suppresses oral squamous cell carcinoma through induction of endoplasmic reticulum stress and mitochondrial dysfunction. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2024; 257:112963. [PMID: 38908147 DOI: 10.1016/j.jphotobiol.2024.112963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Revised: 06/06/2024] [Accepted: 06/18/2024] [Indexed: 06/24/2024]
Abstract
The therapeutic potential of blue light photobiomodulation in cancer treatment, particularly in inhibiting cell proliferation and promoting cell death, has attracted significant interest. Oral squamous cell carcinoma (OSCC) is a prevalent form of oral cancer, necessitating innovative treatment approaches to improve patient outcomes. In this study, we investigated the effects of 420 nm blue LED light on OSCC and explored the underlying mechanisms. Our results demonstrated that 420 nm blue light effectively reduced OSCC cell viability and migration, and induced G2/M arrest. Moreover, we observed that 420 nm blue light triggered endoplasmic reticulum (ER) stress and mitochondrial dysfunction in OSCC cells, leading to activation of the CHOP signal pathway and alterations in the levels of Bcl-2 and Bax proteins, ultimately promoting cell apoptosis. Additionally, blue light suppressed mitochondrial gene expression, likely due to its damage to mitochondrial DNA. This study highlights the distinct impact of 420 nm blue light on OSCC cells, providing valuable insights into its potential application as a clinical treatment for oral cancer.
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Affiliation(s)
- Hui Jiang
- Academy for Engineering and Technology, Fudan University, 220th Handan Road, Shanghai 200433, China
| | - Qiqi Fu
- School of Information Science and Technology, Fudan University, 2005th Songhu Road, Shanghai 200433, China
| | - Jiali Yang
- School of Information Science and Technology, Fudan University, 2005th Songhu Road, Shanghai 200433, China
| | - Haokuan Qin
- Academy for Engineering and Technology, Fudan University, 220th Handan Road, Shanghai 200433, China
| | - Angze Li
- School of Information Science and Technology, Fudan University, 2005th Songhu Road, Shanghai 200433, China
| | - Shangfeng Liu
- Shanghai Key Laboratory of Craniomaxillofacial Development and Diseases, Shanghai Stomatological Hospital, Fudan University, Shanghai 200001, China.
| | - Muqing Liu
- School of Information Science and Technology, Fudan University, 2005th Songhu Road, Shanghai 200433, China; Zhongshan DB-light Technology Co., Ltd, 14th Floor, South Wing, Shumao Building, Torch Development Zone, Zhongshan City, Guangdong Province 528437, China.
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Hou G, Alissa M, Alsuwat MA, Ali Alarjany HM, Alzahrani KJ, Althobaiti FM, Mujalli HM, Alotaiby MM, Al-Doaiss AA, Anthony S. The art of healing hearts: Mastering advanced RNA therapeutic techniques to shape the evolution of cardiovascular medicine in biomedical science. Curr Probl Cardiol 2024; 49:102627. [PMID: 38723793 DOI: 10.1016/j.cpcardiol.2024.102627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2024] [Accepted: 05/06/2024] [Indexed: 05/26/2024]
Abstract
Cardiovascular diseases (CVDs) are the leading cause of death worldwide and are associated with increasing financial health burden that requires research into novel therapeutic approaches. Since the early 2000s, the availability of next-generation sequencing techniques such as microRNAs, circular RNAs, and long non-coding RNAs have been proven as potential therapeutic targets for treating various CVDs. Therapeutics based on RNAs have become a viable option for addressing the intricate molecular pathways that underlie the pathophysiology of CVDs. We provide an in-depth analysis of the state of RNA therapies in the context of CVDs, emphasizing various approaches that target the various stages of the basic dogma of molecular biology to effect temporary or long-term changes. In this review, we summarize recent methodologies used to screen for novel coding and non-coding RNA candidates with diagnostic and treatment possibilities in cardiovascular diseases. These methods include single-cell sequencing techniques, functional RNA screening, and next-generation sequencing.Lastly, we highlighted the potential of using oligonucleotide-based chemical products such as modified RNA and RNA mimics/inhibitors for the treatment of CVDs. Moreover, there will be an increasing number of potential RNA diagnostic and therapeutic for CVDs that will progress to expand for years to come.
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Affiliation(s)
- Guoliang Hou
- Department of Cardiology, Tengzhou Central People's Hospital, Shandong 277599, China
| | - Mohammed Alissa
- Department of Medical Laboratory, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia.
| | - Meshari A Alsuwat
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University, Taif 21974, Saudi Arabia
| | | | - Khalid J Alzahrani
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Taif University, Taif 21974, Saudi Arabia
| | - Fahad M Althobaiti
- Department of Nursing Leadership and Education, Nursing College, Taif University, Taif 21974, Saudi Arabia
| | | | - Monearah M Alotaiby
- Department of Laboratory, King Faisal Medical Complex, Ministry of Health, Taif 26514, Saudi Arabia
| | - Amin A Al-Doaiss
- Biology Department, College of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
| | - Stefan Anthony
- Liaoning Provincial Key Laboratory of Cerebral Diseases, Department of Physiology, Dalian Medical University Liaoning Provence China, China.
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Zhang L, Gu H, Li X, Wang Y, Yao S, Chen X, Zheng L, Yang X, Du Q, An J, Wen G, Zhu J, Jin H, Tuo B. Pathophysiological role of ion channels and transporters in hepatocellular carcinoma. Cancer Gene Ther 2024:10.1038/s41417-024-00782-8. [PMID: 39048663 DOI: 10.1038/s41417-024-00782-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 04/26/2024] [Accepted: 04/29/2024] [Indexed: 07/27/2024]
Abstract
The incidence of hepatocellular carcinoma (HCC) has continued to increase annually worldwide, and HCC has become a common cause of cancer-related death. Despite great progress in understanding the molecular mechanisms underlying HCC development, the treatment of HCC remains a considerable challenge. Thus, the survival and prognosis of HCC patients remain extremely poor. In recent years, the role of ion channels in the pathogenesis of diseases has become a hot topic. In normal liver tissue, ion channels and transporters maintain water and electrolyte balance and acid‒base homeostasis. However, dysfunction of these ion channels and transporters can lead to the development and progression of HCC, and thus these ion channels and transporters are expected to become new therapeutic targets. In this review, ion channels and transporters associated with HCC are reviewed, and potential targets for new and effective therapies are proposed.
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Affiliation(s)
- Li Zhang
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China.
| | - Hong Gu
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Xin Li
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Yongfeng Wang
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Shun Yao
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Xingyue Chen
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Liming Zheng
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Xingyue Yang
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Qian Du
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Jiaxing An
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Guorong Wen
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Jiaxing Zhu
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Hai Jin
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China.
- The Collaborative Innovation Center of Tissue Damage Repair and Regenerative Medicine of Zunyi Medical University, Zunyi, Guizhou, China.
| | - Biguang Tuo
- Department of Gastroenterology, Digestive Disease Hospital, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China.
- The Collaborative Innovation Center of Tissue Damage Repair and Regenerative Medicine of Zunyi Medical University, Zunyi, Guizhou, China.
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7
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Khan Minhas AM, Sedhom R, Jean ED, Shapiro MD, Panza JA, Alam M, Virani SS, Ballantyne CM, Abramov D. Global burden of cardiovascular disease attributable to smoking, 1990-2019: an analysis of the 2019 Global Burden of Disease Study. Eur J Prev Cardiol 2024; 31:1123-1131. [PMID: 38589018 DOI: 10.1093/eurjpc/zwae040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 01/16/2024] [Accepted: 01/28/2024] [Indexed: 04/10/2024]
Abstract
AIMS This study aims to investigate the trends in the global cardiovascular disease (CVD) burden attributable to smoking from 1990 to 2019. METHODS AND RESULTS Global Burden of Disease Study 2019 was used to analyse the burden of CVD attributable to smoking (i.e. ischaemic heart disease, peripheral artery disease, stroke, atrial fibrillation and flutter, and aortic aneurysm). Age-standardized mortality rates (ASMRs) per 100 000 and age-standardized disability-adjusted life year rates (ASDRs) per 100 000, as well as an estimated annual percentage change (EAPC) in ASMR and ASDR, were determined by age, sex, year, socio-demographic index (SDI), regions, and countries or territories. The global ASMR of smoking-attributed CVD decreased from 57.16/100 000 [95% uncertainty interval (UI) 54.46-59.97] in 1990 to 33.03/100 000 (95% UI 30.43-35.51) in 2019 [EAPC -0.42 (95% UI -0.47 to -0.38)]. Similarly, the ASDR of smoking-attributed CVD decreased between 1990 and 2019. All CVD subcategories showed a decline in death burden between 1990 and 2019. The burden of smoking-attributed CVD was higher in men than in women. Significant geographic and regional variations existed such that Eastern Europe had the highest ASMR and Andean Latin America had the lowest ASMR in 2019. In 2019, the ASMR of smoking-attributed CVD was lowest in high SDI regions. CONCLUSION Smoking-attributed CVD morbidity and mortality are declining globally, but significant variation persists, indicating a need for targeted interventions to reduce smoking-related CVD burden.
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Affiliation(s)
| | - Ramy Sedhom
- Division of Cardiology, Loma Linda University Medical Center, Loma Linda, 2068 Orange Tree Lane, Suite 215, Redlands, CA 92374, USA
| | - Estelle D Jean
- Department of Cardiology, Medstar Heart and Vascular Institute, Silver Springs, MD, USA
| | - Michael D Shapiro
- Section on Cardiovascular Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Julio A Panza
- Department of Cardiology, Westchester Medical Center, Valhalla, NY, USA
| | - Mahboob Alam
- Section of Cardiology, Baylor College of Medicine, Houston, TX, USA
| | - Salim S Virani
- Aga Khan University, Karachi, Pakistan
- Baylor College of Medicine and Texas Heart Institute, Houston, TX, USA
| | | | - Dmitry Abramov
- Division of Cardiology, Loma Linda University Medical Center, Loma Linda, 2068 Orange Tree Lane, Suite 215, Redlands, CA 92374, USA
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Jæger KH, Tveito A. A possible path to persistent re-entry waves at the outlet of the left pulmonary vein. NPJ Syst Biol Appl 2024; 10:79. [PMID: 39043674 PMCID: PMC11266599 DOI: 10.1038/s41540-024-00406-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Accepted: 07/12/2024] [Indexed: 07/25/2024] Open
Abstract
Atrial fibrillation (AF) is the most common form of cardiac arrhythmia, often evolving from paroxysmal episodes to persistent stages over an extended timeframe. While various factors contribute to this progression, the precise biophysical mechanisms driving it remain unclear. Here we explore how rapid firing of cardiomyocytes at the outlet of the pulmonary vein of the left atria can create a substrate for a persistent re-entry wave. This is grounded in a recently formulated mathematical model of the regulation of calcium ion channel density by intracellular calcium concentration. According to the model, the number of calcium channels is controlled by the intracellular calcium concentration. In particular, if the concentration increases above a certain target level, the calcium current is weakened to restore the target level of calcium. During rapid pacing, the intracellular calcium concentration of the cardiomyocytes increases leading to a substantial reduction of the calcium current across the membrane of the myocytes, which again reduces the action potential duration. In a spatially resolved cell-based model of the outlet of the pulmonary vein of the left atria, we show that the reduced action potential duration can lead to re-entry. Initiated by rapid pacing, often stemming from paroxysmal AF episodes lasting several days, the reduction in calcium current is a critical factor. Our findings illustrate how such episodes can foster a conducive environment for persistent AF through electrical remodeling, characterized by diminished calcium currents. This underscores the importance of promptly addressing early AF episodes to prevent their progression to chronic stages.
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Affiliation(s)
| | - Aslak Tveito
- Department of Computational Physiology, Simula Research Laboratory, Oslo, Norway
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Szabo BC, Szabo M, Nagy P, Varga Z, Panyi G, Kovacs T, Zakany F. Novel insights into the modulation of the voltage-gated potassium channel K V1.3 activation gating by membrane ceramides. J Lipid Res 2024:100596. [PMID: 39019344 DOI: 10.1016/j.jlr.2024.100596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Revised: 07/08/2024] [Accepted: 07/10/2024] [Indexed: 07/19/2024] Open
Abstract
Membrane lipids extensively modulate the activation gating of voltage-gated potassium channels (KV), however, much less is known about mechanisms of ceramide and glucosylceramide actions including which structural element is the main intramolecular target and whether there is any contribution of indirect, membrane biophysics-related mechanisms to their actions. We used two-electrode voltage-clamp fluorometry capable of recording currents and fluorescence signals to simultaneously monitor movements of the pore domain (PD) and the voltage sensor domain (VSD) of the KV1.3 ion channel after attaching an MTS-TAMRA fluorophore to a cysteine introduced into the extracellular S3-S4 loop of the VSD. We observed rightward shifts in the conductance-voltage (G-V) relationship, slower current activation kinetics and reduced current amplitudes in response to loading the membrane with C16-ceramide (Cer) or C16-glucosylceramide (GlcCer). When analyzing VSD movements, only Cer induced a rightward shift in the fluorescence signal-voltage (F-V) relationship and slowed fluorescence activation kinetics, whereas GlcCer exerted no such effects. These results point at a distinctive mechanism of action with Cer primarily targeting the VSD, while GlcCer only the PD of KV1.3. Using environment-sensitive probes and fluorescence-based approaches, we show that Cer and GlcCer similarly increase molecular order in the inner, hydrophobic regions of bilayers, however, Cer induces a robust molecular reorganization at the membrane-water interface. We propose that this unique ordering effect in the outermost membrane layer in which the main VSD rearrangement involving an outward sliding of the top of S4 occurs, can explain the VSD targeting mechanism of Cer, which is unavailable for GlcCer.
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Affiliation(s)
- Bence Cs Szabo
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, Egyetem square 1, H-4032 Debrecen, Hungary
| | - Mate Szabo
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, Egyetem square 1, H-4032 Debrecen, Hungary
| | - Peter Nagy
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, Egyetem square 1, H-4032 Debrecen, Hungary
| | - Zoltan Varga
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, Egyetem square 1, H-4032 Debrecen, Hungary
| | - Gyorgy Panyi
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, Egyetem square 1, H-4032 Debrecen, Hungary
| | - Tamas Kovacs
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, Egyetem square 1, H-4032 Debrecen, Hungary.
| | - Florina Zakany
- Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, Egyetem square 1, H-4032 Debrecen, Hungary.
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10
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Jansen HJ, McRae MD, Belke DD, Rose RA. Chronic angiotensin converting enzyme inhibition attenuates frailty and protects against atrial fibrillation in aging mice. Heart Rhythm 2024:S1547-5271(24)02897-2. [PMID: 39019387 DOI: 10.1016/j.hrthm.2024.07.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 06/27/2024] [Accepted: 07/08/2024] [Indexed: 07/19/2024]
Abstract
BACKGROUND Aging is a major risk factor for atrial fibrillation (AF); however, not all individuals age at the same rate. Frailty, which is a measure of susceptibility to adverse health outcomes, can be quantified using a frailty index (FI). OBJECTIVE To determine the effects of angiotensin converting enzyme (ACE) inhibitors on AF and atrial remodeling in aging and frail mice. METHODS Aging mice were treated with the ACE inhibitor enalapril for 6 months beginning at 16.5 months of age and frailty was quantified. AF susceptibility as well as atrial structure and function were assessed using intracardiac electrophysiology in anesthetized mice, high-resolution optical mapping in intact atrial preparations, patch-clamping in isolated atrial myocytes, and histology and molecular biology in atrial tissues. RESULTS Enalapril attenuated frailty in aging mice with larger effects in females. AF susceptibility was increased in aging mice, but attenuated by enalapril. AF susceptibility and duration also increased as a function of FI score. P wave duration was increased and atrial conduction velocity was reduced in aging mice and improved after enalapril treatment. Furthermore, P wave duration and atrial conduction velocity were strongly correlated with FI score. Atrial action potential upstroke velocity (Vmax) and Na+ current (INa) were reduced while atrial fibrosis was increased in aging mice. Action potential Vmax, INa, and fibrosis were improved by enalapril and also correlated with FI scores. CONCLUSIONS ACE inhibition with enalapril attenuates frailty and reduces AF susceptibility in aging mice by attenuating atrial electrical and structural remodeling.
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Affiliation(s)
- Hailey J Jansen
- Libin Cardiovascular Institute, Department of Cardiac Sciences, Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Megan D McRae
- Libin Cardiovascular Institute, Department of Cardiac Sciences, Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Darrell D Belke
- Libin Cardiovascular Institute, Department of Cardiac Sciences, Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Robert A Rose
- Libin Cardiovascular Institute, Department of Cardiac Sciences, Department of Physiology and Pharmacology, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
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Abubakar M, Irfan U, Abdelkhalek A, Javed I, Khokhar MI, Shakil F, Raza S, Salim SS, Altaf MM, Habib R, Ahmed S, Ahmed F. Comprehensive Quality Analysis of Conventional and Novel Biomarkers in Diagnosing and Predicting Prognosis of Coronary Artery Disease, Acute Coronary Syndrome, and Heart Failure, a Comprehensive Literature Review. J Cardiovasc Transl Res 2024:10.1007/s12265-024-10540-8. [PMID: 38995611 DOI: 10.1007/s12265-024-10540-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Accepted: 06/25/2024] [Indexed: 07/13/2024]
Abstract
Coronary artery disease (CAD), acute coronary syndrome (ACS), and heart failure (HF) are major global health issues with high morbidity and mortality rates. Biomarkers like cardiac troponins (cTn) and natriuretic peptides (NPs) are crucial tools in cardiology, but numerous new biomarkers have emerged, proving increasingly valuable in CAD/ACS. These biomarkers are classified based on their mechanisms, such as fibrosis, metabolism, inflammation, and congestion. The integration of established and emerging biomarkers into clinical practice is an ongoing process, and recognizing their strengths and limitations is crucial for their accurate interpretation, incorporation into clinical settings, and improved management of CVD patients. We explored established biomarkers like cTn, NPs, and CRP, alongside newer biomarkers such as Apo-A1, IL-17E, IgA, Gal-3, sST2, GDF-15, MPO, H-FABP, Lp-PLA2, and ncRNAs; provided evidence of their utility in CAD/ACS diagnosis and prognosis; and empowered clinicians to confidently integrate these biomarkers into clinical practice based on solid evidence.
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Affiliation(s)
- Muhammad Abubakar
- Department of Internal Medicine, Ameer-Ud-Din Medical College, 6 Birdwood Road, Jinnah Town, Lahore, 54000, Punjab, Pakistan.
| | - Umema Irfan
- Department of Internal Medicine, Deccan College of Medical Sciences, Hyderabad, India
| | - Ahmad Abdelkhalek
- Department of Internal Medicine, Zhejiang University, Zhejiang, China
| | - Izzah Javed
- Department of Internal Medicine, Ameer-Ud-Din Medical College, 6 Birdwood Road, Jinnah Town, Lahore, 54000, Punjab, Pakistan
| | | | - Fraz Shakil
- Department of Emergency Medicine, Mayo Hospital, Lahore, Pakistan
| | - Saud Raza
- Department of Anesthesia, Social Security Teaching Hospital, Lahore, Punjab, Pakistan
| | - Siffat Saima Salim
- Department of Surgery, Holy Family Red Crescent Medical College Hospital, Dhaka, Bangladesh
| | - Muhammad Mahran Altaf
- Department of Internal Medicine, Ameer-Ud-Din Medical College, 6 Birdwood Road, Jinnah Town, Lahore, 54000, Punjab, Pakistan
| | - Rizwan Habib
- Department of Internal Medicine and Emergency, Indus Hospital, Lahore, Pakistan
| | - Simra Ahmed
- Department of Internal Medicine, Ziauddin Medical College, Karachi, Pakistan
| | - Farea Ahmed
- Department of Internal Medicine, Ziauddin Medical College, Karachi, Pakistan
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12
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Tan W, Cheng S, Qiu Q, Huang J, Xie M, Song L, Zhou Z, Wang Y, Guo F, Jin X, Li Z, Xu X, Jiang H, Zhou X. Celastrol exerts antiarrhythmic effects in chronic heart failure via NLRP3/Caspase-1/IL-1β signaling pathway. Biomed Pharmacother 2024; 177:117121. [PMID: 39002443 DOI: 10.1016/j.biopha.2024.117121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 07/07/2024] [Accepted: 07/08/2024] [Indexed: 07/15/2024] Open
Abstract
OBJECTIVES Celastrol has widespread therapeutic applications in various pathological conditions, including chronic inflammation. Previous studies have demonstrated the potent cardioprotective effects of celastrol. Nevertheless, limited attention has been given to its potential in reducing ventricular arrhythmias (VAs) following myocardial infarction (MI). Hence, this study aimed to elucidate the potential mechanisms underlying the regulatory effects of celastrol on VAs and cardiac electrophysiological parameters in rats after MI. METHODS Sprague-Dawley rats were divided at random: the sham, MI, and MI + celastrol groups. The left coronary artery was occluded in the MI and MI + Cel groups. Electrocardiogram, heart rate variability (HRV), ventricular electrophysiological parameters analysis, histology staining of ventricles, Enzyme-linked immunosorbent assay (ELISA), western blotting and Quantitative real-time polymerase chain reaction (qRT-PCR) were performed to elucidate the underlying mechanism of celastrol. Besides, H9c2 cells were subjected to hypoxic conditions to create an in vitro model of MI and then treated with celastrol for 24 hours. Nigericin was used to activate the NLRP3 inflammasome. RESULTS Compared with that MI group, cardiac electrophysiology instability was significantly alleviated in the MI + celastrol group. Additionally, celastrol improved HRV, upregulated the levels of Cx43, Kv.4.2, Kv4.3 and Cav1.2, mitigated myocardial fibrosis, and inhibited the NLRP3 inflammasome pathway. In vitro conditions also supported the regulatory effects of celastrol on the NLRP3 inflammasome pathway. CONCLUSIONS Celastrol could alleviate the adverse effects of VAs after MI partially by promoting autonomic nerve remodeling, ventricular electrical reconstruction and ion channel remodeling, and alleviating ventricular fibrosis and inflammatory responses partly by through inhibiting the NLRP3/Caspase-1/IL-1β pathway.
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Affiliation(s)
- Wuping Tan
- Cardiovascular Research Institute, Wuhan University, Wuhan 430060, PR China; Hubei Key Laboratory of Cardiology, PR China; Cardiac Autonomic Nervous System Research Center of Wuhan University, PR China; Taikang Center for Life and Medical Sciences, Wuhan University, PR China; Hubei Key Laboratory of Autonomic Nervous System Modulation, PR China; Institute of Molecular Medicine, Renmin Hospital of Wuhan University, PR China; Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, PR China
| | - Siyi Cheng
- Cardiovascular Research Institute, Wuhan University, Wuhan 430060, PR China; Hubei Key Laboratory of Cardiology, PR China; Cardiac Autonomic Nervous System Research Center of Wuhan University, PR China; Taikang Center for Life and Medical Sciences, Wuhan University, PR China; Hubei Key Laboratory of Autonomic Nervous System Modulation, PR China; Institute of Molecular Medicine, Renmin Hospital of Wuhan University, PR China; Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, PR China
| | - Qinfang Qiu
- Cardiovascular Research Institute, Wuhan University, Wuhan 430060, PR China; Hubei Key Laboratory of Cardiology, PR China; Cardiac Autonomic Nervous System Research Center of Wuhan University, PR China; Taikang Center for Life and Medical Sciences, Wuhan University, PR China; Hubei Key Laboratory of Autonomic Nervous System Modulation, PR China; Institute of Molecular Medicine, Renmin Hospital of Wuhan University, PR China; Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, PR China
| | - Jiaxing Huang
- Cardiovascular Research Institute, Wuhan University, Wuhan 430060, PR China; Hubei Key Laboratory of Cardiology, PR China; Cardiac Autonomic Nervous System Research Center of Wuhan University, PR China; Taikang Center for Life and Medical Sciences, Wuhan University, PR China; Hubei Key Laboratory of Autonomic Nervous System Modulation, PR China; Institute of Molecular Medicine, Renmin Hospital of Wuhan University, PR China; Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, PR China
| | - Mengjie Xie
- Cardiovascular Research Institute, Wuhan University, Wuhan 430060, PR China; Hubei Key Laboratory of Cardiology, PR China; Cardiac Autonomic Nervous System Research Center of Wuhan University, PR China; Taikang Center for Life and Medical Sciences, Wuhan University, PR China; Hubei Key Laboratory of Autonomic Nervous System Modulation, PR China; Institute of Molecular Medicine, Renmin Hospital of Wuhan University, PR China; Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, PR China
| | - Lingpeng Song
- Cardiovascular Research Institute, Wuhan University, Wuhan 430060, PR China; Hubei Key Laboratory of Cardiology, PR China; Cardiac Autonomic Nervous System Research Center of Wuhan University, PR China; Taikang Center for Life and Medical Sciences, Wuhan University, PR China; Hubei Key Laboratory of Autonomic Nervous System Modulation, PR China; Institute of Molecular Medicine, Renmin Hospital of Wuhan University, PR China; Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, PR China
| | - Zhen Zhou
- Cardiovascular Research Institute, Wuhan University, Wuhan 430060, PR China; Hubei Key Laboratory of Cardiology, PR China; Cardiac Autonomic Nervous System Research Center of Wuhan University, PR China; Taikang Center for Life and Medical Sciences, Wuhan University, PR China; Hubei Key Laboratory of Autonomic Nervous System Modulation, PR China; Institute of Molecular Medicine, Renmin Hospital of Wuhan University, PR China; Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, PR China
| | - Yijun Wang
- Cardiovascular Research Institute, Wuhan University, Wuhan 430060, PR China; Hubei Key Laboratory of Cardiology, PR China; Cardiac Autonomic Nervous System Research Center of Wuhan University, PR China; Taikang Center for Life and Medical Sciences, Wuhan University, PR China; Hubei Key Laboratory of Autonomic Nervous System Modulation, PR China; Institute of Molecular Medicine, Renmin Hospital of Wuhan University, PR China; Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, PR China
| | - Fuding Guo
- Cardiovascular Research Institute, Wuhan University, Wuhan 430060, PR China; Hubei Key Laboratory of Cardiology, PR China; Cardiac Autonomic Nervous System Research Center of Wuhan University, PR China; Taikang Center for Life and Medical Sciences, Wuhan University, PR China; Hubei Key Laboratory of Autonomic Nervous System Modulation, PR China; Institute of Molecular Medicine, Renmin Hospital of Wuhan University, PR China; Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, PR China
| | - Xiaoxing Jin
- Cardiovascular Research Institute, Wuhan University, Wuhan 430060, PR China; Hubei Key Laboratory of Cardiology, PR China; Cardiac Autonomic Nervous System Research Center of Wuhan University, PR China; Taikang Center for Life and Medical Sciences, Wuhan University, PR China; Hubei Key Laboratory of Autonomic Nervous System Modulation, PR China; Institute of Molecular Medicine, Renmin Hospital of Wuhan University, PR China; Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, PR China
| | - Zeyan Li
- Cardiovascular Research Institute, Wuhan University, Wuhan 430060, PR China; Hubei Key Laboratory of Cardiology, PR China; Cardiac Autonomic Nervous System Research Center of Wuhan University, PR China; Taikang Center for Life and Medical Sciences, Wuhan University, PR China; Hubei Key Laboratory of Autonomic Nervous System Modulation, PR China; Institute of Molecular Medicine, Renmin Hospital of Wuhan University, PR China; Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, PR China
| | - Xiao Xu
- Cardiovascular Research Institute, Wuhan University, Wuhan 430060, PR China; Hubei Key Laboratory of Cardiology, PR China; Cardiac Autonomic Nervous System Research Center of Wuhan University, PR China; Taikang Center for Life and Medical Sciences, Wuhan University, PR China; Hubei Key Laboratory of Autonomic Nervous System Modulation, PR China; Institute of Molecular Medicine, Renmin Hospital of Wuhan University, PR China; Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, PR China
| | - Hong Jiang
- Cardiovascular Research Institute, Wuhan University, Wuhan 430060, PR China; Hubei Key Laboratory of Cardiology, PR China; Cardiac Autonomic Nervous System Research Center of Wuhan University, PR China; Taikang Center for Life and Medical Sciences, Wuhan University, PR China; Hubei Key Laboratory of Autonomic Nervous System Modulation, PR China; Institute of Molecular Medicine, Renmin Hospital of Wuhan University, PR China; Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, PR China.
| | - Xiaoya Zhou
- Cardiovascular Research Institute, Wuhan University, Wuhan 430060, PR China; Hubei Key Laboratory of Cardiology, PR China; Cardiac Autonomic Nervous System Research Center of Wuhan University, PR China; Taikang Center for Life and Medical Sciences, Wuhan University, PR China; Hubei Key Laboratory of Autonomic Nervous System Modulation, PR China; Institute of Molecular Medicine, Renmin Hospital of Wuhan University, PR China; Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan University, Wuhan 430060, PR China.
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13
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Boulgakoff L, D'Amato G, Miquerol L. Molecular Regulation of Cardiac Conduction System Development. Curr Cardiol Rep 2024:10.1007/s11886-024-02094-7. [PMID: 38990492 DOI: 10.1007/s11886-024-02094-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/02/2024] [Indexed: 07/12/2024]
Abstract
PURPOSE OF REVIEW The cardiac conduction system, composed of pacemaker cells and conducting cardiomyocytes, orchestrates the propagation of electrical activity to synchronize heartbeats. The conduction system plays a crucial role in the development of cardiac arrhythmias. In the embryo, the cells of the conduction system derive from the same cardiac progenitors as the contractile cardiomyocytes and and the key question is how this choice is made during development. RECENT FINDINGS This review focuses on recent advances in developmental biology using the mouse as animal model to better understand the cellular origin and molecular regulations that control morphogenesis of the cardiac conduction system, including the latest findings in single-cell transcriptomics. The conducting cell fate is acquired during development starting with pacemaking activity and last with the formation of a complex fast-conducting network. Cardiac conduction system morphogenesis is controlled by complex transcriptional and gene regulatory networks that differ in the components of the cardiac conduction system.
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Affiliation(s)
| | - Gaetano D'Amato
- Aix-Marseille Université, CNRS IBDM UMR7288, Marseille, France
| | - Lucile Miquerol
- Aix-Marseille Université, CNRS IBDM UMR7288, Marseille, France.
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14
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Belkozhayev A, Niyazova R, Kamal MA, Ivashchenko A, Sharipov K, Wilson CM. Differential microRNA expression in the SH-SY5Y human cell model as potential biomarkers for Huntington's disease. Front Cell Neurosci 2024; 18:1399742. [PMID: 39049823 PMCID: PMC11267620 DOI: 10.3389/fncel.2024.1399742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 06/26/2024] [Indexed: 07/27/2024] Open
Abstract
Huntington's disease (HD) is caused by an expansion of CAG trinucleotide repeat in the HTT gene; the exact pathogenesis of HD currently remains unclear. One of the promising directions in the study of HDs is to determine the molecular mechanism underlying the development and role of microRNAs (miRNAs). This study aimed to identify the profile of miRNAs in an HD human cell line model as diagnostic biomarkers for HD. To study HD, the human SH-SY5Y HD cell model is based on the expression of two different forms: pEGFP-Q23 and pEGFP-Q74 of HTT. The expression of Htt protein was confirmed using aggregation assays combined with immunofluorescence and Western blotting methods. miRNA levels were measured in SH-SY5Y neuronal cell model samples stably expressing Q23 and Q74 using the extraction-free HTG EdgeSeq protocol. A total of 2083 miRNAs were detected, and 354 (top 18 miRNAs) miRNAs were significantly differentially expressed (DE) (p < 0.05) in Q23 and Q74 cell lines. A majority of the miRNAs were downregulated in the HD cell model. Moreover, we revealed that six DE miRNAs target seven genes (ATN1, GEMIN4, EFNA5, CSMD2, CREBBP, ATXN1, and B3GNT) that play important roles in neurodegenerative disorders and showed significant expression differences in mutant Htt (Q74) when compared to wild-type Htt (Q23) using RT-qPCR (p < 0.05 and 0.01). We demonstrated the most important DE miRNA-mRNA profiles, interaction binding sites, and their related pathways in HD using experimental and bioinformatics methods. This will allow the development of novel diagnostic strategies and provide alternative therapeutic routes for treating HD.
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Affiliation(s)
- Ayaz Belkozhayev
- Life Sciences Industry Liaison Lab, School of Psychology and Life Sciences, Canterbury Christ Church University, Sandwich, United Kingdom
- M.A. Aitkhozhin Institute of Molecular Biology and Biochemistry, Almaty, Kazakhstan
- Department of Chemical and Biochemical Engineering, Geology and Oil-Gas Business Institute Named after K. Turyssov, Satbayev University, Almaty, Kazakhstan
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty, Kazakhstan
- Novel Global Community Educational Foundation, Hebersham, NSW, Australia
| | - Raigul Niyazova
- Faculty of Biology and Biotechnology, Al-Farabi Kazakh National University, Almaty, Kazakhstan
| | - Mohammad Amjad Kamal
- Novel Global Community Educational Foundation, Hebersham, NSW, Australia
- Center for High Altitude Medicine, Institutes for Systems Genetics, West China School of Nursing, Frontiers Science Center for Disease-related Molecular Network, West China Hospital, Sichuan University, Chengdu, China
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Pharmacy, Faculty of Health and Life Sciences, Daffodil International University, Dhaka, Bangladesh
- Centre for Global Health Research, Saveetha Medical College and Hospital, Saveetha Institute of Medical and Technical Sciences, Chennai, India
- Enzymoics, Hebersham, NSW, Australia
| | | | - Kamalidin Sharipov
- M.A. Aitkhozhin Institute of Molecular Biology and Biochemistry, Almaty, Kazakhstan
- Department of Biochemistry, Asfendiyarov Kazakh National Medical University, Almaty, Kazakhstan
| | - Cornelia M. Wilson
- Life Sciences Industry Liaison Lab, School of Psychology and Life Sciences, Canterbury Christ Church University, Sandwich, United Kingdom
- Novel Global Community Educational Foundation, Hebersham, NSW, Australia
- University of Liverpool, Liverpool, United Kingdom
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15
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Huang Y, Gu W, Qin Z, Jin Y. Bromuconazole exposure induces cardiac dysfunction by upregulating the expression LEF1. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 933:173113. [PMID: 38735319 DOI: 10.1016/j.scitotenv.2024.173113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 04/18/2024] [Accepted: 05/08/2024] [Indexed: 05/14/2024]
Abstract
With the wide application of bromuconazole (BRO), a kind of triazole fungicide, the environmental problems caused by BRO have been paid more and more attention. In this study, adult male zebrafish were exposed to environmental related concentration and the maximum non-lethal concentration for zebrafish larvae (0,50 ng/L and 7.5 mg/L) for 7 days, respectively. Zebrafish exposed to BRO exhibited a significant reduction in body length and an increase in fatness index, indicating adverse physiological changes. Notably, the exposed zebrafish showed enlarged heart ventricular volumes and thinner heart walls. Transcriptome analysis of heart samples showed that BRO exposure mainly affected pathways related to cardiac energy metabolism. In addition, the amount of ATP in the heart tissue was correspondingly reduced, and the expression levels of genes related to controlling ion balance and myosin synthesis in the heart were also altered. The study extended its findings to the rat cardiomyocytes (H9C2), where similar cardiotoxic effects including changes in transcription of genes related to energy metabolism and heart function were also observed, suggesting a potential universal mechanism of BRO-induced cardiotoxicity. In a doxorubicin (DOX) induced larval zebrafish heart failure model, the expression of lymphoid enhancer-binding factor 1(LEF1), a key gene in the Wnt/β-catenin signaling pathway, was significantly increased in larval zebrafish and adult fish heart tissues and cardiomyocytes, suggesting that LEF1 might play an important role in BRO-induced cardiotoxicity. Taken together, BRO exposure could interfere with cardiac function and metabolic capacity by abnormal activation the expression of LEF1. The study emphasized the urgent need for monitoring and regulating BRO due to its harmful effects on the hearts of aquatic organisms.
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Affiliation(s)
- Yilin Huang
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Weijie Gu
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Zhen Qin
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China
| | - Yuanxiang Jin
- College of Biotechnology and Bioengineering, Zhejiang University of Technology, Hangzhou 310032, China.
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16
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Li D, Liu Y, Li C, Zhou Z, Gao K, Bao H, Yang J, Xue G, Yin D, Zhao X, Shen K, Zhang L, Li J, Li C, Song J, Zhao L, Pei Y, Xuan L, Zhang Y, Lu Y, Zhang ZR, Yang B, Li Y, Pan Z. Spexin Diminishes Atrial Fibrillation Vulnerability by Acting on Galanin Receptor 2. Circulation 2024; 150:111-127. [PMID: 38726666 DOI: 10.1161/circulationaha.123.067517] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Accepted: 04/15/2024] [Indexed: 07/10/2024]
Abstract
BACKGROUND G protein-coupled receptors play a critical role in atrial fibrillation (AF). Spexin is a novel ligand of galanin receptors (GALRs). In this study, we investigated the regulation of spexin and GALRs on AF and the underlying mechanisms. METHODS Global spexin knockout (SPX-KO) and cardiomyocyte-specific GALRs knockout (GALR-cKO) mice underwent burst pacing electrical stimulation. Optical mapping was used to determine atrial conduction velocity and action potential duration. Atrial myocyte action potential duration and inward rectifying K+ current (IK1) were recorded using whole-cell patch clamps. Isolated cardiomyocytes were stained with Fluo-3/AM dye, and intracellular Ca2+ handling was examined by CCD camera. A mouse model of AF was established by Ang-II (angiotensin II) infusion. RESULTS Spexin plasma levels in patients with AF were lower than those in subjects without AF, and knockout of spexin increased AF susceptibility in mice. In the atrium of SPX-KO mice, potassium inwardly rectifying channel subfamily J member 2 (KCNJ2) and sarcolipin (SLN) were upregulated; meanwhile, IK1 current was increased and Ca2+ handling was impaired in isolated atrial myocytes of SPX-KO mice. GALR2-cKO mice, but not GALR1-cKO and GALR3-cKO mice, had a higher incidence of AF, which was associated with higher IK1 current and intracellular Ca2+ overload. The phosphorylation level of CREB (cyclic AMP responsive element binding protein 1) was upregulated in atrial tissues of SPX-KO and GALR2-cKO mice. Chromatin immunoprecipitation confirmed the recruitment of p-CREB to the proximal promoter regions of KCNJ2 and SLN. Finally, spexin treatment suppressed CREB signaling, decreased IK1 current and decreased intracellular Ca2+ overload, which thus reduced the inducibility of AF in Ang-II-infused mice. CONCLUSIONS Spexin reduces atrial fibrillation susceptibility by inhibiting CREB phosphorylation and thus downregulating KCNJ2 and SLN transcription by GALR2 receptor. The spexin/GALR2/CREB signaling pathway represents a novel therapeutic avenue in the development of agents against atrial fibrillation.
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Affiliation(s)
- Desheng Li
- National Key Laboratory of Frigid Zone Cardiovascular Diseases, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education, International Cooperation Base for Major Cardiovascular Diseases in Cold Regions, China) College of Pharmacy (D.L., Changzhu Li, Z.Z., K.G., H.B., J.Y., K.S., L. Zhang, J.L., Chenhong Li, J.S., L. Zhao, Y.P., L.X., Y.Z., Y. Lu, B.Y., Z.P.), First Affiliated Hospital, Harbin Medical University, China
| | - Yang Liu
- National Key Laboratory of Frigid Zone Cardiovascular Diseases, Department of Cardiology (Y. Liu, D.Y., X.Z., Z.-R.Z., Y. Li, Z.P.), First Affiliated Hospital, Harbin Medical University, China
| | - Changzhu Li
- National Key Laboratory of Frigid Zone Cardiovascular Diseases, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education, International Cooperation Base for Major Cardiovascular Diseases in Cold Regions, China) College of Pharmacy (D.L., Changzhu Li, Z.Z., K.G., H.B., J.Y., K.S., L. Zhang, J.L., Chenhong Li, J.S., L. Zhao, Y.P., L.X., Y.Z., Y. Lu, B.Y., Z.P.), First Affiliated Hospital, Harbin Medical University, China
| | - Zhiwen Zhou
- National Key Laboratory of Frigid Zone Cardiovascular Diseases, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education, International Cooperation Base for Major Cardiovascular Diseases in Cold Regions, China) College of Pharmacy (D.L., Changzhu Li, Z.Z., K.G., H.B., J.Y., K.S., L. Zhang, J.L., Chenhong Li, J.S., L. Zhao, Y.P., L.X., Y.Z., Y. Lu, B.Y., Z.P.), First Affiliated Hospital, Harbin Medical University, China
| | - Kangyi Gao
- National Key Laboratory of Frigid Zone Cardiovascular Diseases, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education, International Cooperation Base for Major Cardiovascular Diseases in Cold Regions, China) College of Pharmacy (D.L., Changzhu Li, Z.Z., K.G., H.B., J.Y., K.S., L. Zhang, J.L., Chenhong Li, J.S., L. Zhao, Y.P., L.X., Y.Z., Y. Lu, B.Y., Z.P.), First Affiliated Hospital, Harbin Medical University, China
| | - Hairong Bao
- National Key Laboratory of Frigid Zone Cardiovascular Diseases, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education, International Cooperation Base for Major Cardiovascular Diseases in Cold Regions, China) College of Pharmacy (D.L., Changzhu Li, Z.Z., K.G., H.B., J.Y., K.S., L. Zhang, J.L., Chenhong Li, J.S., L. Zhao, Y.P., L.X., Y.Z., Y. Lu, B.Y., Z.P.), First Affiliated Hospital, Harbin Medical University, China
| | - Jiming Yang
- National Key Laboratory of Frigid Zone Cardiovascular Diseases, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education, International Cooperation Base for Major Cardiovascular Diseases in Cold Regions, China) College of Pharmacy (D.L., Changzhu Li, Z.Z., K.G., H.B., J.Y., K.S., L. Zhang, J.L., Chenhong Li, J.S., L. Zhao, Y.P., L.X., Y.Z., Y. Lu, B.Y., Z.P.), First Affiliated Hospital, Harbin Medical University, China
| | - Genlong Xue
- Institute of Cardiovascular Diseases, First Affiliated Hospital of Dalian Medical University, China (G.X.)
| | - Dechun Yin
- National Key Laboratory of Frigid Zone Cardiovascular Diseases, Department of Cardiology (Y. Liu, D.Y., X.Z., Z.-R.Z., Y. Li, Z.P.), First Affiliated Hospital, Harbin Medical University, China
| | - Xinbo Zhao
- National Key Laboratory of Frigid Zone Cardiovascular Diseases, Department of Cardiology (Y. Liu, D.Y., X.Z., Z.-R.Z., Y. Li, Z.P.), First Affiliated Hospital, Harbin Medical University, China
| | - Kewei Shen
- National Key Laboratory of Frigid Zone Cardiovascular Diseases, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education, International Cooperation Base for Major Cardiovascular Diseases in Cold Regions, China) College of Pharmacy (D.L., Changzhu Li, Z.Z., K.G., H.B., J.Y., K.S., L. Zhang, J.L., Chenhong Li, J.S., L. Zhao, Y.P., L.X., Y.Z., Y. Lu, B.Y., Z.P.), First Affiliated Hospital, Harbin Medical University, China
| | - Lingmin Zhang
- National Key Laboratory of Frigid Zone Cardiovascular Diseases, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education, International Cooperation Base for Major Cardiovascular Diseases in Cold Regions, China) College of Pharmacy (D.L., Changzhu Li, Z.Z., K.G., H.B., J.Y., K.S., L. Zhang, J.L., Chenhong Li, J.S., L. Zhao, Y.P., L.X., Y.Z., Y. Lu, B.Y., Z.P.), First Affiliated Hospital, Harbin Medical University, China
| | - Jialiang Li
- National Key Laboratory of Frigid Zone Cardiovascular Diseases, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education, International Cooperation Base for Major Cardiovascular Diseases in Cold Regions, China) College of Pharmacy (D.L., Changzhu Li, Z.Z., K.G., H.B., J.Y., K.S., L. Zhang, J.L., Chenhong Li, J.S., L. Zhao, Y.P., L.X., Y.Z., Y. Lu, B.Y., Z.P.), First Affiliated Hospital, Harbin Medical University, China
| | - Chenhong Li
- National Key Laboratory of Frigid Zone Cardiovascular Diseases, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education, International Cooperation Base for Major Cardiovascular Diseases in Cold Regions, China) College of Pharmacy (D.L., Changzhu Li, Z.Z., K.G., H.B., J.Y., K.S., L. Zhang, J.L., Chenhong Li, J.S., L. Zhao, Y.P., L.X., Y.Z., Y. Lu, B.Y., Z.P.), First Affiliated Hospital, Harbin Medical University, China
| | - Jiahui Song
- National Key Laboratory of Frigid Zone Cardiovascular Diseases, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education, International Cooperation Base for Major Cardiovascular Diseases in Cold Regions, China) College of Pharmacy (D.L., Changzhu Li, Z.Z., K.G., H.B., J.Y., K.S., L. Zhang, J.L., Chenhong Li, J.S., L. Zhao, Y.P., L.X., Y.Z., Y. Lu, B.Y., Z.P.), First Affiliated Hospital, Harbin Medical University, China
| | - Lexin Zhao
- National Key Laboratory of Frigid Zone Cardiovascular Diseases, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education, International Cooperation Base for Major Cardiovascular Diseases in Cold Regions, China) College of Pharmacy (D.L., Changzhu Li, Z.Z., K.G., H.B., J.Y., K.S., L. Zhang, J.L., Chenhong Li, J.S., L. Zhao, Y.P., L.X., Y.Z., Y. Lu, B.Y., Z.P.), First Affiliated Hospital, Harbin Medical University, China
| | - Yao Pei
- National Key Laboratory of Frigid Zone Cardiovascular Diseases, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education, International Cooperation Base for Major Cardiovascular Diseases in Cold Regions, China) College of Pharmacy (D.L., Changzhu Li, Z.Z., K.G., H.B., J.Y., K.S., L. Zhang, J.L., Chenhong Li, J.S., L. Zhao, Y.P., L.X., Y.Z., Y. Lu, B.Y., Z.P.), First Affiliated Hospital, Harbin Medical University, China
| | - Lina Xuan
- National Key Laboratory of Frigid Zone Cardiovascular Diseases, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education, International Cooperation Base for Major Cardiovascular Diseases in Cold Regions, China) College of Pharmacy (D.L., Changzhu Li, Z.Z., K.G., H.B., J.Y., K.S., L. Zhang, J.L., Chenhong Li, J.S., L. Zhao, Y.P., L.X., Y.Z., Y. Lu, B.Y., Z.P.), First Affiliated Hospital, Harbin Medical University, China
| | - Yang Zhang
- National Key Laboratory of Frigid Zone Cardiovascular Diseases, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education, International Cooperation Base for Major Cardiovascular Diseases in Cold Regions, China) College of Pharmacy (D.L., Changzhu Li, Z.Z., K.G., H.B., J.Y., K.S., L. Zhang, J.L., Chenhong Li, J.S., L. Zhao, Y.P., L.X., Y.Z., Y. Lu, B.Y., Z.P.), First Affiliated Hospital, Harbin Medical University, China
| | - Yanjie Lu
- National Key Laboratory of Frigid Zone Cardiovascular Diseases, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education, International Cooperation Base for Major Cardiovascular Diseases in Cold Regions, China) College of Pharmacy (D.L., Changzhu Li, Z.Z., K.G., H.B., J.Y., K.S., L. Zhang, J.L., Chenhong Li, J.S., L. Zhao, Y.P., L.X., Y.Z., Y. Lu, B.Y., Z.P.), First Affiliated Hospital, Harbin Medical University, China
| | - Zhi-Ren Zhang
- National Key Laboratory of Frigid Zone Cardiovascular Diseases, Department of Cardiology (Y. Liu, D.Y., X.Z., Z.-R.Z., Y. Li, Z.P.), First Affiliated Hospital, Harbin Medical University, China
- National Health Commission Key Laboratory of Cell Transplantation (Z.-R.Z., Y. Li, Z.P.), First Affiliated Hospital, Harbin Medical University, China
| | - Baofeng Yang
- National Key Laboratory of Frigid Zone Cardiovascular Diseases, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education, International Cooperation Base for Major Cardiovascular Diseases in Cold Regions, China) College of Pharmacy (D.L., Changzhu Li, Z.Z., K.G., H.B., J.Y., K.S., L. Zhang, J.L., Chenhong Li, J.S., L. Zhao, Y.P., L.X., Y.Z., Y. Lu, B.Y., Z.P.), First Affiliated Hospital, Harbin Medical University, China
| | - Yue Li
- National Key Laboratory of Frigid Zone Cardiovascular Diseases, Department of Cardiology (Y. Liu, D.Y., X.Z., Z.-R.Z., Y. Li, Z.P.), First Affiliated Hospital, Harbin Medical University, China
- National Health Commission Key Laboratory of Cell Transplantation (Z.-R.Z., Y. Li, Z.P.), First Affiliated Hospital, Harbin Medical University, China
| | - Zhenwei Pan
- National Key Laboratory of Frigid Zone Cardiovascular Diseases, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education, International Cooperation Base for Major Cardiovascular Diseases in Cold Regions, China) College of Pharmacy (D.L., Changzhu Li, Z.Z., K.G., H.B., J.Y., K.S., L. Zhang, J.L., Chenhong Li, J.S., L. Zhao, Y.P., L.X., Y.Z., Y. Lu, B.Y., Z.P.), First Affiliated Hospital, Harbin Medical University, China
- National Key Laboratory of Frigid Zone Cardiovascular Diseases, Department of Cardiology (Y. Liu, D.Y., X.Z., Z.-R.Z., Y. Li, Z.P.), First Affiliated Hospital, Harbin Medical University, China
- National Health Commission Key Laboratory of Cell Transplantation (Z.-R.Z., Y. Li, Z.P.), First Affiliated Hospital, Harbin Medical University, China
- Research Unit of Noninfectious Chronic Diseases in Frigid Zone, Chinese Academy of Medical Sciences, 2019 Research Unit 070, Harbin, China (Z.P.)
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Zhou H, Huang Y, Jia C, Pang Y, Liu L, Xu Y, Jin P, Qian J, Ma F. NF-κB factors cooperate with Su(Hw)/E4F1 to balance Drosophila/human immune responses via modulating dynamic expression of miR-210. Nucleic Acids Res 2024; 52:6906-6927. [PMID: 38742642 PMCID: PMC11229355 DOI: 10.1093/nar/gkae394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 04/25/2024] [Accepted: 04/30/2024] [Indexed: 05/16/2024] Open
Abstract
MicroRNAs (miRNAs) play crucial regulatory roles in controlling immune responses, but their dynamic expression mechanisms are poorly understood. Here, we firstly confirm that the conserved miRNA miR-210 negatively regulates innate immune responses of Drosophila and human via targeting Toll and TLR6, respectively. Secondly, our findings demonstrate that the expression of miR-210 is dynamically regulated by NF-κB factor Dorsal in immune response of Drosophila Toll pathway. Thirdly, we find that Dorsal-mediated transcriptional inhibition of miR-210 is dependent on the transcriptional repressor Su(Hw). Mechanistically, Dorsal interacts with Su(Hw) to modulate cooperatively the dynamic expression of miR-210 in a time- and dose-dependent manner, thereby controlling the strength of Drosophila Toll immune response and maintaining immune homeostasis. Fourthly, we reveal a similar mechanism in human cells, where NF-κB/RelA cooperates with E4F1 to regulate the dynamic expression of hsa-miR-210 in the TLR immune response. Overall, our study reveals a conservative regulatory mechanism that maintains animal innate immune homeostasis and provides new insights into the dynamic regulation of miRNA expression in immune response.
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Affiliation(s)
- Hongjian Zhou
- Laboratory for Comparative Genomics and Bioinformatics & Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Science, Nanjing Normal University, Nanjing 210046, China
- Institute of Laboratory Medicine, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, 210002 Nanjing, Jiangsu, China
| | - Yu Huang
- Laboratory for Comparative Genomics and Bioinformatics & Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Science, Nanjing Normal University, Nanjing 210046, China
| | - Chaolong Jia
- Laboratory for Comparative Genomics and Bioinformatics & Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Science, Nanjing Normal University, Nanjing 210046, China
| | - Yujia Pang
- Laboratory for Comparative Genomics and Bioinformatics & Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Science, Nanjing Normal University, Nanjing 210046, China
- Institute of Laboratory Medicine, Jinling Hospital, Affiliated Hospital of Medical School, Nanjing University, 210002 Nanjing, Jiangsu, China
| | - Li Liu
- Laboratory for Comparative Genomics and Bioinformatics & Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Science, Nanjing Normal University, Nanjing 210046, China
| | - Yina Xu
- Laboratory for Comparative Genomics and Bioinformatics & Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Science, Nanjing Normal University, Nanjing 210046, China
| | - Ping Jin
- Laboratory for Comparative Genomics and Bioinformatics & Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Science, Nanjing Normal University, Nanjing 210046, China
| | - Jinjun Qian
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, 210023 Nanjing, Jiangsu, China
| | - Fei Ma
- Laboratory for Comparative Genomics and Bioinformatics & Jiangsu Key Laboratory for Biodiversity and Biotechnology, College of Life Science, Nanjing Normal University, Nanjing 210046, China
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18
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Chen S, Wu S, Lin B. The potential therapeutic value of the natural plant compounds matrine and oxymatrine in cardiovascular diseases. Front Cardiovasc Med 2024; 11:1417672. [PMID: 39041001 PMCID: PMC11260750 DOI: 10.3389/fcvm.2024.1417672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Accepted: 06/17/2024] [Indexed: 07/24/2024] Open
Abstract
Matrine (MT) and Oxymatrine (OMT) are two natural alkaloids derived from plants. These bioactive compounds are notable for their diverse pharmacological effects and have been extensively studied and recognized in the treatment of cardiovascular diseases in recent years. The cardioprotective effects of MT and OMT involve multiple aspects, primarily including antioxidative stress, anti-inflammatory actions, anti-atherosclerosis, restoration of vascular function, and inhibition of cardiac remodeling and failure. Clinical pharmacology research has identified numerous novel molecular mechanisms of OMT and MT, such as JAK/STAT, Nrf2/HO-1, PI3 K/AKT, TGF-β1/Smad, and Notch pathways, providing new evidence supporting their promising therapeutic potential against cardiovascular diseases. Thus, this review aims to investigate the potential applications of MT and OMT in treating cardiovascular diseases, encompassing their mechanisms, efficacy, and safety, confirming their promise as lead compounds in anti-cardiovascular disease drug development.
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Affiliation(s)
| | | | - Bin Lin
- Department of Cardiovascular Medicine, Wenzhou Central Hospital, Wenzhou, China
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19
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Liu W, Zhang Y, Li Q, Wang X, Wu Y, Shen H, Wang P. Advances of long non-coding RNAs in osteoclast differentiation and osteoporosis. Pathol Res Pract 2024; 260:155413. [PMID: 38981344 DOI: 10.1016/j.prp.2024.155413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 06/05/2024] [Accepted: 06/13/2024] [Indexed: 07/11/2024]
Abstract
INTRODUCTION Osteoclasts, which are responsible for bone resorption, are specialized multinucleated cells generated from monocyte/macrophage progenitor cells or hematopoietic stem cells (HSCs). Physiological bone remodeling can become pathological, such as osteoporosis, when osteoclastogenesis is out of balance. Thousands of long noncoding RNAs (lncRNAs) influence important molecular and biological processes. Recent research has revealed gene expression regulation function that numerous lncRNAs regulate nuclear domain organization, genome stability. Furthermore, the research of lncRNAs has substantial clinical implications for the treatment of existing and new diseases. AREAS COVERED In this review, we gather the most recent research on lncRNAs and their potential for basic research and clinical applications in osteoclast and osteoporosis. We also discuss the findings here in order to fully understand the role of lncRNAs in osteoclast differentiation and osteoporosis, as well as to provide a solid basis for future research exploring associated mechanisms and treatments. EXPERT OPINION LncRNA has been considered as an important role in the regulation of osteoclast differentiation and osteoporosis. It is exciting to investigate pathophysiological processes in osteoporosis and the therapeutic potential of lncRNAs. We hope that this review will offer promising prospects for the development of precision and individualized approaches to treatment.
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Affiliation(s)
- Wenjie Liu
- Department of Orthopedics, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen 518033, China; Guangdong Provincial Clinical Research Center for Orthopedic Diseases, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen 518033, China
| | - Yunhui Zhang
- Department of Orthopedics, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen 518033, China
| | - Quanfeng Li
- Department of Orthopedics, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen 518033, China; Guangdong Provincial Clinical Research Center for Orthopedic Diseases, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen 518033, China
| | - Xinglang Wang
- Department of Orthopedics, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen 518033, China; Guangdong Provincial Clinical Research Center for Orthopedic Diseases, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen 518033, China
| | - Yanfeng Wu
- Center for Biotherapy, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen 518033, China; Guangdong Provincial Clinical Research Center for Orthopedic Diseases, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen 518033, China.
| | - Huiyong Shen
- Department of Orthopedics, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen 518033, China; Guangdong Provincial Clinical Research Center for Orthopedic Diseases, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen 518033, China.
| | - Peng Wang
- Department of Orthopedics, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen 518033, China; Guangdong Provincial Clinical Research Center for Orthopedic Diseases, The Eighth Affiliated Hospital, Sun Yat-sen University, Shenzhen 518033, China.
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20
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Zhang L, Yu F, Zhang Y, Li P. Implications of lncRNAs in Helicobacter pylori-associated gastrointestinal cancers: underlying mechanisms and future perspectives. Front Cell Infect Microbiol 2024; 14:1392129. [PMID: 39035354 PMCID: PMC11257847 DOI: 10.3389/fcimb.2024.1392129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Accepted: 06/19/2024] [Indexed: 07/23/2024] Open
Abstract
Helicobacter pylori (H. pylori) is a harmful bacterium that is difficult to conveniently diagnose and effectively eradicate. Chronic H. pylori infection increases the risk of gastrointestinal diseases, even cancers. Despite the known findings, more underlying mechanisms are to be deeply explored to facilitate the development of novel prevention and treatment strategies of H. pylori infection. Long noncoding RNAs (lncRNAs) are RNAs with more than 200 nucleotides. They may be implicated in cell proliferation, inflammation and many other signaling pathways of gastrointestinal cancer progression. The dynamic expression of lncRNAs indicates their potential to be diagnostic or prognostic biomarkers. In this paper, we comprehensively summarize the processes of H. pylori infection and the treatment methods, review the known findings of lncRNA classification and functional mechanisms, elucidate the roles of lncRNAs in H. pylori-related gastrointestinal cancer, and discuss the clinical perspectives of lncRNAs.
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Affiliation(s)
- Lei Zhang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
| | | | | | - Peifeng Li
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
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21
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Zhao J, Duan L, Li J, Yao C, Wang G, Mi J, Yu Y, Ding L, Zhao Y, Yan G, Li J, Zhao Z, Wang X, Li M. New insights into the interplay between autophagy, gut microbiota and insulin resistance in metabolic syndrome. Biomed Pharmacother 2024; 176:116807. [PMID: 38795644 DOI: 10.1016/j.biopha.2024.116807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Revised: 05/20/2024] [Accepted: 05/20/2024] [Indexed: 05/28/2024] Open
Abstract
Metabolic syndrome (MetS) is a widespread and multifactorial disorder, and the study of its pathogenesis and treatment remains challenging. Autophagy, an intracellular degradation system that maintains cellular renewal and homeostasis, is essential for maintaining antimicrobial defense, preserving epithelial barrier integrity, promoting mucosal immune response, maintaining intestinal homeostasis, and regulating gut microbiota and microbial metabolites. Dysfunctional autophagy is implicated in the pathological mechanisms of MetS, involving insulin resistance (IR), chronic inflammation, oxidative stress, and endoplasmic reticulum (ER) stress, with IR being a predominant feature. The study of autophagy represents a valuable field of research with significant clinical implications for identifying autophagy-related signals, pathways, mechanisms, and treatment options for MetS. Given the multifactorial etiology and various potential risk factors, it is imperative to explore the interplay between autophagy and gut microbiota in MetS more thoroughly. This will facilitate the elucidation of new mechanisms underlying the crosstalk among autophagy, gut microbiota, and MetS, thereby providing new insights into the diagnosis and treatment of MetS.
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Affiliation(s)
- Jinyue Zhao
- College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130021, China
| | - Liyun Duan
- The First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan 250355, China; Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan 250014, China
| | - Jiarui Li
- College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130021, China
| | - Chensi Yao
- Molecular Biology Laboratory, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Guoqiang Wang
- The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130021, China
| | - Jia Mi
- The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130021, China
| | - Yongjiang Yu
- The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130021, China
| | - Lu Ding
- College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130021, China
| | - Yunyun Zhao
- The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130021, China
| | - Guanchi Yan
- College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130021, China
| | - Jing Li
- College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130021, China
| | - Zhixuan Zhao
- College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130021, China
| | - Xiuge Wang
- The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130021, China.
| | - Min Li
- Molecular Biology Laboratory, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China.
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22
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Zafeiropoulos S, Ahmed U, Bikou A, Mughrabi IT, Stavrakis S, Zanos S. Vagus nerve stimulation for cardiovascular diseases: Is there light at the end of the tunnel? Trends Cardiovasc Med 2024; 34:327-337. [PMID: 37506989 DOI: 10.1016/j.tcm.2023.07.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 06/12/2023] [Accepted: 07/17/2023] [Indexed: 07/30/2023]
Abstract
Autonomic dysfunction and chronic inflammation contribute to the pathogenesis and progression of several cardiovascular diseases (CVD), such as heart failure with preserved ejection fraction, atherosclerotic CVD, pulmonary arterial hypertension, and atrial fibrillation. The vagus nerve provides parasympathetic innervation to the heart, vessels, and lungs, and is also implicated in the neural control of inflammation through a neuroimmune pathway involving the spleen. Stimulation of the vagus nerve (VNS) can in principle restore autonomic balance and suppress inflammation, with potential therapeutic benefits in these diseases. Although VNS ameliorated CVD in several animal models, early human studies have demonstrated variable efficacy. The purpose of this review is to discuss the rationale behind the use of VNS in the treatment of CVD, to critically review animal and human studies of VNS in CVD, and to propose possible means to overcome the challenges in the clinical translation of VNS in CVD.
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Affiliation(s)
- Stefanos Zafeiropoulos
- Elmezzi Graduate School of Molecular Medicine at Northwell Health, Manhasset, NY, USA; Institute of Bioelectronic Medicine, Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - Umair Ahmed
- Institute of Bioelectronic Medicine, Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - Alexia Bikou
- Institute of Bioelectronic Medicine, Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - Ibrahim T Mughrabi
- Institute of Bioelectronic Medicine, Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - Stavros Stavrakis
- Heart Rhythm Institute, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
| | - Stavros Zanos
- Elmezzi Graduate School of Molecular Medicine at Northwell Health, Manhasset, NY, USA; Institute of Bioelectronic Medicine, Feinstein Institutes for Medical Research, Manhasset, NY, USA.
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Guo L, Li K, Ma Y, Niu H, Li J, Shao X, Li N, Sun Y, Wang H. MicroRNA-322-5p targeting Smurf2 regulates the TGF-β/Smad pathway to protect cardiac function and inhibit myocardial infarction. Hum Cell 2024; 37:972-985. [PMID: 38656742 DOI: 10.1007/s13577-024-01062-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 03/29/2024] [Indexed: 04/26/2024]
Abstract
Acute coronary artery blockage leads to acute myocardial infarction (AMI). Cardiomyocytes are terminally differentiated cells that rarely divide. Treatments preventing cardiomyocyte loss during AMI have a high therapeutic benefit. Accumulating evidence shows that microRNAs (miRNAs) may play an essential role in cardiovascular diseases. This study aims to explore the biological function and underlying regulatory molecular mechanism of miR-322-5p on myocardial infarction (MI). This study's miR-322-5p is downregulated in MI-injured hearts according to integrative bioinformatics and experimental analyses. In the MI rat model, miR-322-5p overexpression partially eliminated MI-induced changes in myocardial enzymes and oxidative stress markers, improved MI-caused impairment on cardiac functions, inhibited myocardial apoptosis, attenuated MI-caused alterations in TGF-β, p-Smad2, p-Smad4, and Smad7 protein levels. In oxygen-glucose deprivation (OGD)-injured H9c2 cells, miR-322-5p overexpression partially rescued OGD-inhibited cell viability and attenuated OGD-caused alterations in the TGF-β/Smad signaling. miR-322-5p directly targeted Smurf2 and inhibited Smurf2 expression. In OGD-injured H9c2 cells, Smurf2 knockdown exerted similar effects to miR-322-5p overexpression upon cell viability and TGF-β/Smad signaling; moreover, Smurf2 knockdown partially attenuated miR-322-5p inhibition effects on OGD-injured H9c2 cells. In conclusion, miR-322-5p is downregulated in MI rat heart and OGD-stimulated rat cardiomyocytes; the miR-322-5p/Smurf2 axis improves OGD-inhibited cardiomyocyte cell viability and MI-induced cardiac injuries and dysfunction through the TGF-β/Smad signaling.
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Affiliation(s)
- Liping Guo
- Department of Cardiology, Shanxi Cardiovascular Hospital, Taiyuan, 030000, Shanxi, China
| | - Ke Li
- Department of Cardiology, The People's Hospital of Suzhou, Suzhou New District, Suzhou, 215129, Jiangsu, China
| | - Yan Ma
- Department of General Practice, Taiyuan Central Hospital, Taiyuan, 030000, Shanxi, China
| | - Huaiming Niu
- Department of Cardiology, Shanxi Cardiovascular Hospital, Taiyuan, 030000, Shanxi, China
| | - Jun Li
- Department of Cardiology, Shanxi Cardiovascular Hospital, Taiyuan, 030000, Shanxi, China
| | - Xin Shao
- Department of Cardiology, Shanxi Cardiovascular Hospital, Taiyuan, 030000, Shanxi, China
| | - Na Li
- Department of Cardiology, Shanxi Cardiovascular Hospital, Taiyuan, 030000, Shanxi, China
| | - Yuehui Sun
- Department of Cardiology, Shanxi Cardiovascular Hospital, Taiyuan, 030000, Shanxi, China
| | - Haixiong Wang
- Department of Cardiology, Shanxi Cardiovascular Hospital, Taiyuan, 030000, Shanxi, China.
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24
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Li X, Wu W, He H, Guan L, Chen G, Lin Z, Li H, Jiang J, Dong X, Guan Z, Chen P, Pan Z, Huang W, Yu R, Song W, Lu L, Yang Z, Chen Z, Wang L, Xian S, Chen J. Analysis and validation of hub genes in neutrophil extracellular traps for the long-term prognosis of myocardial infarction. Gene 2024; 914:148369. [PMID: 38485036 DOI: 10.1016/j.gene.2024.148369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 02/27/2024] [Accepted: 03/11/2024] [Indexed: 04/08/2024]
Abstract
INTRODUCTION The study focuses on the long-term prognosis of myocardial infarction (MI) influenced by neutrophil extracellular traps (NETs). It also aims to analyze and validate relative hub genes in this process, in order to further explore new therapeutic targets that can improve the prognosis of MI. MATERIALS AND METHODS We established a MI model in mice by ligating the left anterior descending branch (LAD) and conducted an 8-week continuous observation to study the dynamic changes in the structure and function of the heart in these mice. Meanwhile, we administered Apocynin, an inhibitor of NADPH Oxidase, which has also been shown to inhibit the formation of NETs, to mice undergoing MI surgery in order to compare. This study employed hematoxylin-eosin (HE) staining, echocardiography, immunofluorescence, and real-time quantitative PCR (RT-qPCR) to examine the impact of NETs on the long-term prognosis of MI. Next, datasets related to MI and NETs were downloaded from the GEO database, respectively. The Limma package of R software was used to identify differentially expressed genes (DEGs). After analyzing the "Robust Rank Aggregation (RRA)" package, we conducted a screening for robust differentially expressed genes (DEGs) and performed pathway enrichment analysis using Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) to determine the functional roles of these robust DEGs. The protein-protein interaction (PPI) network was visualized and hub genes were filtered using Cytoscape. RESULTS Immunofluorescence and qPCR results showed an increase in the expression of Myeloperoxidase (MPO) at week 1 and week 8 in the hearts of mice after MI. HE staining reveals a series of pathological manifestations in the heart of the MI group during 8 weeks, including enlarged size, disordered arrangement of cardiomyocytes, infiltration of inflammatory cells, and excessive deposition of collagen fibers, among others. The utilization of Apocynin could significantly improve these poor performances. The echocardiography displayed the cardiac function of the heart in mice. The MI group has a reduced range of heart movement and decreased ejection ability. Moreover, the ventricular systolic movement was found to be abnormal, and its wall thickening rate decreased over time, indicating a progressive worsening of myocardial ischemia. The Apocynin group, on the contrary, showed fewer abnormal changes in the aforementioned aspects. A total of 81 DEGs and 4 hub genes (FOS, EGR1, PTGS2, and HIST1H4H) were obtained. The results of RT-qPCR demonstrated abnormal expression of these four genes in the MI group, which could be reversed by treatment of Apocynin. CONCLUSION The NETs formation could be highly related to MI and the long-term prognosis of MI can be significantly influenced by the NETs formation. Four hub genes, namely FOS, EGR1, PTGS2, and HIST1H4H, have the potential to be key genes related to this process. They could also serve as biomarkers for predicting MI prognosis and as targets for gene therapy.
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Affiliation(s)
- Xuan Li
- Guangzhou University of Chinese Medicine, Guangzhou 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; National Key Laboratory of Traditional Chinese Medicine Syndrome, Guangzhou 510405, China.
| | - Wenyu Wu
- Guangzhou University of Chinese Medicine, Guangzhou 510405, China; The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China
| | - Huan He
- Guangzhou University of Chinese Medicine, Guangzhou 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; National Key Laboratory of Traditional Chinese Medicine Syndrome, Guangzhou 510405, China
| | - Lin Guan
- Shandong Province Hospital of Traditional Chinese Medicine, Jinan 250011, China
| | - Guancheng Chen
- Guangzhou University of Chinese Medicine, Guangzhou 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; National Key Laboratory of Traditional Chinese Medicine Syndrome, Guangzhou 510405, China
| | - Zhijun Lin
- Guangzhou University of Chinese Medicine, Guangzhou 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; National Key Laboratory of Traditional Chinese Medicine Syndrome, Guangzhou 510405, China
| | - Huan Li
- Guangzhou University of Chinese Medicine, Guangzhou 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; National Key Laboratory of Traditional Chinese Medicine Syndrome, Guangzhou 510405, China
| | - Jialin Jiang
- Guangzhou University of Chinese Medicine, Guangzhou 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; National Key Laboratory of Traditional Chinese Medicine Syndrome, Guangzhou 510405, China
| | - Xin Dong
- Guangzhou University of Chinese Medicine, Guangzhou 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; National Key Laboratory of Traditional Chinese Medicine Syndrome, Guangzhou 510405, China
| | - Zhuoji Guan
- Guangzhou University of Chinese Medicine, Guangzhou 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; National Key Laboratory of Traditional Chinese Medicine Syndrome, Guangzhou 510405, China
| | - Pinliang Chen
- Guangzhou University of Chinese Medicine, Guangzhou 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; National Key Laboratory of Traditional Chinese Medicine Syndrome, Guangzhou 510405, China
| | - Zigang Pan
- Guangzhou University of Chinese Medicine, Guangzhou 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; National Key Laboratory of Traditional Chinese Medicine Syndrome, Guangzhou 510405, China
| | - Weiwei Huang
- Guangzhou University of Chinese Medicine, Guangzhou 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; National Key Laboratory of Traditional Chinese Medicine Syndrome, Guangzhou 510405, China
| | - Runjia Yu
- Guangzhou University of Chinese Medicine, Guangzhou 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; National Key Laboratory of Traditional Chinese Medicine Syndrome, Guangzhou 510405, China
| | - Wenxin Song
- Guangzhou University of Chinese Medicine, Guangzhou 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; National Key Laboratory of Traditional Chinese Medicine Syndrome, Guangzhou 510405, China
| | - Lu Lu
- Guangzhou University of Chinese Medicine, Guangzhou 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; National Key Laboratory of Traditional Chinese Medicine Syndrome, Guangzhou 510405, China
| | - Zhongqi Yang
- Guangzhou University of Chinese Medicine, Guangzhou 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; National Key Laboratory of Traditional Chinese Medicine Syndrome, Guangzhou 510405, China
| | - Zixin Chen
- Guangzhou University of Chinese Medicine, Guangzhou 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; National Key Laboratory of Traditional Chinese Medicine Syndrome, Guangzhou 510405, China.
| | - Lingjun Wang
- Guangzhou University of Chinese Medicine, Guangzhou 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; National Key Laboratory of Traditional Chinese Medicine Syndrome, Guangzhou 510405, China.
| | - Shaoxiang Xian
- Guangzhou University of Chinese Medicine, Guangzhou 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; National Key Laboratory of Traditional Chinese Medicine Syndrome, Guangzhou 510405, China.
| | - Jie Chen
- Guangzhou University of Chinese Medicine, Guangzhou 510405, China; Lingnan Medical Research Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China; National Key Laboratory of Traditional Chinese Medicine Syndrome, Guangzhou 510405, China.
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25
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Nguyen HTM, van der Westhuizen ET, Langmead CJ, Tobin AB, Sexton PM, Christopoulos A, Valant C. Opportunities and challenges for the development of M 1 muscarinic receptor positive allosteric modulators in the treatment for neurocognitive deficits. Br J Pharmacol 2024; 181:2114-2142. [PMID: 36355830 DOI: 10.1111/bph.15982] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 09/22/2022] [Accepted: 10/18/2022] [Indexed: 11/12/2022] Open
Abstract
Targeting allosteric sites of M1 muscarinic acetylcholine receptors (M1 receptors) is a promising strategy to treat neurocognitive disorders, such as Alzheimer's disease and schizophrenia. Indeed, the last two decades have seen an impressive body of work focussing on the design and development of positive allosteric modulators (PAMs) for the M1 receptor. This has led to the identification of a structurally diverse range of highly selective M1 PAMs. In preclinical models, M1 PAMs have shown rescue of cognitive deficits and improvement of endpoints predictive of symptom domains of schizophrenia. Yet, to date only a few M1 PAMs have reached early-stage clinical trials, with many of them failing to progress further due to on-target mediated cholinergic adverse effects that have plagued the development of this class of ligand. This review covers the recent preclinical and clinical studies in the field of M1 receptor drug discovery for the treatment of Alzheimer's disease and schizophrenia, with a specific focus on M1 PAM, highlighting both the undoubted potential but also key challenges for the successful translation of M1 PAMs from bench-side to bedside. LINKED ARTICLES: This article is part of a themed issue Therapeutic Targeting of G Protein-Coupled Receptors: hot topics from the Australasian Society of Clinical and Experimental Pharmacologists and Toxicologists 2021 Virtual Annual Scientific Meeting. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v181.14/issuetoc.
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Affiliation(s)
- Huong T M Nguyen
- Drug Discovery Biology, Monash University, Parkville, Melbourne, VIC, Australia
- Department of Biochemistry, Hanoi University of Pharmacy, Hanoi, Vietnam
| | | | - Christopher J Langmead
- Drug Discovery Biology, Monash University, Parkville, Melbourne, VIC, Australia
- Neuromedicines Discovery Centre, Monash University, Parkville, Melbourne, VIC, Australia
- ARC Centre for Cryo-electron Microscopy of Membrane Proteins, Monash University, Parkville, Melbourne, VIC, Australia
| | - Andrew B Tobin
- Centre for Translational Pharmacology, University of Glasgow, Glasgow, UK
| | - Patrick M Sexton
- Drug Discovery Biology, Monash University, Parkville, Melbourne, VIC, Australia
- ARC Centre for Cryo-electron Microscopy of Membrane Proteins, Monash University, Parkville, Melbourne, VIC, Australia
| | - Arthur Christopoulos
- Drug Discovery Biology, Monash University, Parkville, Melbourne, VIC, Australia
- Neuromedicines Discovery Centre, Monash University, Parkville, Melbourne, VIC, Australia
- ARC Centre for Cryo-electron Microscopy of Membrane Proteins, Monash University, Parkville, Melbourne, VIC, Australia
| | - Celine Valant
- Drug Discovery Biology, Monash University, Parkville, Melbourne, VIC, Australia
- Neuromedicines Discovery Centre, Monash University, Parkville, Melbourne, VIC, Australia
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26
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Liang YY, Liao XY, Jia JJ, Yin YZ, Zhang YH, Gao FG. K33 only mutant ubiquitin augments bone marrow-derived dendritic cell-mediated CTL priming via PI3K-Akt pathway. Immunology 2024; 172:486-499. [PMID: 38547355 DOI: 10.1111/imm.13787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 03/18/2024] [Indexed: 06/15/2024] Open
Abstract
To explore the effect of K33 only mutant ubiquitin (K33O) on bone marrow-derived dendritic cells' (BMDCs') maturity, antigen uptake capability, surface molecule expressions and BMDC-mediated CTL priming, and further investigate the role of PI3K-Akt engaged in K33O-increased BMDC maturation, antigen uptake and presentation, surface molecule expressions and BMDC-based CTL priming. BMDCs were conferred K33O and other ubiquitin mutants (K33R, K48R, K63R-mutant ubiquitin) incubation or LY294002 and wortmannin pretreatment. PI3K-Akt phosphorylation, antigen uptake, antigenic presentation and CD86/MHC class I expression in BMDC were determined by western blot or flow cytometry. BMDC-based CTL proliferation and priming were determined by in vitro mixed lymphocyte reaction (MLR), ex vivo enzyme-linked immunospot assay (Elispot) and flow cytometry with intracellular staining, respectively. The treatment with K33O effectively augmented PI3K-Akt phosphorylation, BMDCs' antigen uptake, antigenic presentation, CD86/MHC class I and CD11c expressions. MLR, Elispot and flow cytometry revealed that K33O treatment obviously enhanced CTL proliferation, CTL priming and perforin/granzyme B expression. The pretreatment with PI3K-Akt inhibitors efficiently abrogated K33O's effects on BMDC. The replenishment of K33 only mutant ubiquitin augments BMDC-mediated CTL priming in bone marrow-derived dendritic cells via PI3K-Akt signalling.
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Affiliation(s)
- Yi Yun Liang
- Department of Basic Medicine Science, School of Medicine, Xiamen University, Xiamen, Fujian, People's Republic of China
| | - Xiao Yan Liao
- Department of Basic Medicine Science, School of Medicine, Xiamen University, Xiamen, Fujian, People's Republic of China
| | - Jun Jun Jia
- Department of Basic Medicine Science, School of Medicine, Xiamen University, Xiamen, Fujian, People's Republic of China
| | - Yi Zhen Yin
- Department of Basic Medicine Science, School of Medicine, Xiamen University, Xiamen, Fujian, People's Republic of China
| | - Yue Hua Zhang
- Laboratory Animal Center, Xiamen University, Xiamen, Fujian, People's Republic of China
| | - Feng Guang Gao
- Department of Basic Medicine Science, School of Medicine, Xiamen University, Xiamen, Fujian, People's Republic of China
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27
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Kim JH, Hwang S, Park SI, Lee HJ, Jung YJ, Jo SH. 3,3',4,4'-tetrachlorobiphenyl (PCB77) enhances human Kv1.3 channel currents and alters cytokine production. THE KOREAN JOURNAL OF PHYSIOLOGY & PHARMACOLOGY : OFFICIAL JOURNAL OF THE KOREAN PHYSIOLOGICAL SOCIETY AND THE KOREAN SOCIETY OF PHARMACOLOGY 2024; 28:323-333. [PMID: 38926840 PMCID: PMC11211760 DOI: 10.4196/kjpp.2024.28.4.323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Revised: 04/15/2024] [Accepted: 04/18/2024] [Indexed: 06/28/2024]
Abstract
Polychlorinated biphenyls (PCBs) were once used throughout various industries; however, because of their persistence in the environment, exposure remains a global threat to the environment and human health. The Kv1.3 and Kv1.5 channels have been implicated in the immunotoxicity and cardiotoxicity of PCBs, respectively. We determined whether 3,3',4,4'-tetrachlorobiphenyl (PCB77), a dioxin-like PCB, alters human Kv1.3 and Kv1.5 currents using the Xenopus oocyte expression system. Exposure to 10 nM PCB77 for 15 min enhanced the Kv1.3 current by approximately 30.6%, whereas PCB77 did not affect the Kv1.5 current at concentrations up to 10 nM. This increase in the Kv1.3 current was associated with slower activation and inactivation kinetics as well as right-shifting of the steady-state activation curve. Pretreatment with PCB77 significantly suppressed tumor necrosis factor-α and interleukin-10 production in lipopolysaccharide-stimulated Raw264.7 macrophages. Overall, these data suggest that acute exposure to trace concentrations of PCB77 impairs immune function, possibly by enhancing Kv1.3 currents.
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Affiliation(s)
- Jong-Hui Kim
- Department of Physiology, Institute of Bioscience and Biotechnology, Kangwon National University School of Medicine, Chuncheon 24341, Korea
- Interdisciplinary Graduate Program in BIT Medical Convergence, Chuncheon 24341, Korea
| | - Soobeen Hwang
- Department of Physiology, Institute of Bioscience and Biotechnology, Kangwon National University School of Medicine, Chuncheon 24341, Korea
- Interdisciplinary Graduate Program in BIT Medical Convergence, Chuncheon 24341, Korea
| | - Seo-In Park
- Department of Physiology, Institute of Bioscience and Biotechnology, Kangwon National University School of Medicine, Chuncheon 24341, Korea
- Interdisciplinary Graduate Program in BIT Medical Convergence, Chuncheon 24341, Korea
| | - Hyo-Ji Lee
- Department of Biological Sciences and Kangwon Radiation Convergence Research Support Center, Kangwon National University, Chuncheon 24341, Korea
| | - Yu-Jin Jung
- Interdisciplinary Graduate Program in BIT Medical Convergence, Chuncheon 24341, Korea
- Department of Biological Sciences and Kangwon Radiation Convergence Research Support Center, Kangwon National University, Chuncheon 24341, Korea
| | - Su-Hyun Jo
- Department of Physiology, Institute of Bioscience and Biotechnology, Kangwon National University School of Medicine, Chuncheon 24341, Korea
- Interdisciplinary Graduate Program in BIT Medical Convergence, Chuncheon 24341, Korea
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28
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Chakraborty A, Paynter A, Szendrey M, Cornwell JD, Li W, Guo J, Yang T, Du Y, Wang T, Zhang S. Ubiquitination is involved in PKC-mediated degradation of cell surface Kv1.5 channels. J Biol Chem 2024; 300:107483. [PMID: 38897569 DOI: 10.1016/j.jbc.2024.107483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 05/30/2024] [Accepted: 06/12/2024] [Indexed: 06/21/2024] Open
Abstract
The voltage-gated Kv1.5 potassium channel, conducting the ultra-rapid delayed rectifier K+ current (IKur) in human cells, plays important roles in the repolarization of atrial action potentials and regulation of the vascular tone. We previously reported that activation of protein kinase C (PKC) by phorbol 12-myristate 13-acetate (PMA) induces endocytic degradation of cell-surface Kv1.5 channels, and a point mutation removing the phosphorylation site, T15A, in the N terminus of Kv1.5 abolished the PMA-effect. In the present study, using mutagenesis, patch clamp recording, Western blot analysis, and immunocytochemical staining, we demonstrate that ubiquitination is involved in the PMA-mediated degradation of mature Kv1.5 channels. Since the expression of the Kv1.4 channel is unaffected by PMA treatment, we swapped the N- and/or C-termini between Kv1.5 and Kv1.4. We found that the N-terminus alone did not but both N- and C-termini of Kv1.5 did confer PMA sensitivity to mature Kv1.4 channels, suggesting the involvement of Kv1.5 C-terminus in the channel ubiquitination. Removal of each of the potential ubiquitination residue Lysine at position 536, 565, and 591 by Arginine substitution (K536R, K565R, and K591R) had little effect, but removal of all three Lysine residues with Arginine substitution (3K-R) partially reduced PMA-mediated Kv1.5 degradation. Furthermore, removing the cysteine residue at position 604 by Serine substitution (C604S) drastically reduced PMA-induced channel degradation. Removal of the three Lysines and Cys604 with a quadruple mutation (3K-R/C604S) or a truncation mutation (Δ536) completely abolished the PKC activation-mediated degradation of Kv1.5 channels. These results provide mechanistic insight into PKC activation-mediated Kv1.5 degradation.
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Affiliation(s)
- Ananya Chakraborty
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| | - Amanda Paynter
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| | - Mark Szendrey
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| | - James D Cornwell
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| | - Wentao Li
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| | - Jun Guo
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| | - Tonghua Yang
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| | - Yuan Du
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| | - Tingzhong Wang
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada
| | - Shetuan Zhang
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON, Canada.
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29
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Teles D, Fine BM. Using induced pluripotent stem cells for drug discovery in arrhythmias. Expert Opin Drug Discov 2024; 19:827-840. [PMID: 38825838 PMCID: PMC11227103 DOI: 10.1080/17460441.2024.2360420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Accepted: 05/23/2024] [Indexed: 06/04/2024]
Abstract
INTRODUCTION Arrhythmias are disturbances in the normal rhythm of the heart and account for significant cardiovascular morbidity and mortality worldwide. Historically, preclinical research has been anchored in animal models, though physiological differences between these models and humans have limited their clinical translation. The discovery of human induced pluripotent stem cells (iPSC) and subsequent differentiation into cardiomyocyte has led to the development of new in vitro models of arrhythmias with the hope of a new pathway for both exploration of pathogenic variants and novel therapeutic discovery. AREAS COVERED The authors describe the latest two-dimensional in vitro models of arrhythmias, several examples of the use of these models in drug development, and the role of gene editing when modeling diseases. They conclude by discussing the use of three-dimensional models in the study of arrythmias and the integration of computational technologies and machine learning with experimental technologies. EXPERT OPINION Human iPSC-derived cardiomyocytes models have significant potential to augment disease modeling, drug discovery, and toxicity studies in preclinical development. While there is initial success with modeling arrhythmias, the field is still in its nascency and requires advances in maturation, cellular diversity, and readouts to emulate arrhythmias more accurately.
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Affiliation(s)
- Diogo Teles
- Department of Biomedical Engineering, Columbia University, New York, NY 10027, USA
| | - Barry M. Fine
- Department of Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
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30
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Zhu T, Zhao J, Liu J, Tian S, Li S, Yuan H. Advances in the role of ion channels in leukemia. Heliyon 2024; 10:e33452. [PMID: 39027429 PMCID: PMC11254732 DOI: 10.1016/j.heliyon.2024.e33452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Revised: 06/20/2024] [Accepted: 06/21/2024] [Indexed: 07/20/2024] Open
Abstract
Ion channels are widely present in cell membranes, serving as crucial pathways for the movement of ions enter and exit cells. Variations in the expression of ion channels are crucial for regulating cellular functions. Among the genes associated with leukemia, certain genes encode ion channels. When these ion channels experience dysfunction or changes in expression, they can impact the physiological functions and signal transduction of hematopoietic cells, thereby regulating leukemia cell proliferation, differentiation, invasion/migration, and apoptosis. This article will provide a comprehensive review of the research progress on the expression and function of various ion channels in leukemia, thoroughly exploring their roles and mechanisms in the onset and progression of the disease, providing new insights and ideas for identifying potential biomarkers and developing new treatment methods for leukemia, thereby promoting innovations in future leukemia diagnosis and therapy.
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Affiliation(s)
- Tianjie Zhu
- Central Hospital of Dalian University of Technology, Dalian, China
| | - Jingyuan Zhao
- Central Hospital of Dalian University of Technology, Dalian, China
| | - Jinnan Liu
- Central Hospital of Dalian University of Technology, Dalian, China
| | - Siyu Tian
- Central Hospital of Dalian University of Technology, Dalian, China
| | - Shuai Li
- Department of Pharmacy, The First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Hong Yuan
- Central Hospital of Dalian University of Technology, Dalian, China
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31
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Pereira LTG, Vilela WR, Bellozi PMQ, Engel DF, de Paula GC, de Andrade RR, Mortari MR, de Melo Teixeira M, Coleine C, Figueiredo CP, de Bem AF, Amato AA. Fecal microbiota transplantation ameliorates high-fat diet-induced memory impairment in mice. J Neurochem 2024. [PMID: 38934224 DOI: 10.1111/jnc.16156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 05/28/2024] [Accepted: 06/05/2024] [Indexed: 06/28/2024]
Abstract
Gut dysbiosis is linked to metabolic and neurodegenerative diseases and comprises a plausible link between high-fat diet (HFD) and brain dysfunction. Here we show that gut microbiota modulation by either antibiotic treatment for 5 weeks or a brief 3-day fecal microbiota transplantation (FMT) regimen from low-fat (control) diet-fed mice decreased weight gain, adipose tissue hypertrophy, and glucose intolerance induced by HFD in C57BL/6 male mice. Notably, gut microbiota modulation by FMT completely reversed impaired recognition memory induced by HFD, whereas modulation by antibiotics had less pronounced effect. Improvement in recognition memory by FMT was accompanied by decreased HFD-induced astrogliosis in the hippocampal cornu ammonis region. Gut microbiome composition analysis indicated that HFD diminished microbiota diversity compared to control diet, whereas FMT partially restored the phyla diversity. Our findings reinforce the role of the gut microbiota on HFD-induced cognitive impairment and suggest that modulating the gut microbiota may be an effective strategy to prevent metabolic and cognitive dysfunction associated with unfavorable dietary patterns.
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Affiliation(s)
| | - Wembley Rodrigues Vilela
- Department of Physiological Sciences, Institute of Biology, University of Brasilia, Brasilia, Brazil
| | - Paula Maria Quaglio Bellozi
- Laboratory of Molecular Pharmacology, School of Health Sciences, University of Brasilia, Brasilia, Brazil
- Department of Physiological Sciences, Institute of Biology, University of Brasilia, Brasilia, Brazil
| | - Daiane Fátima Engel
- School of Pharmacy, Federal University of Ouro Preto, Ouro Preto, Minas Gerais, Brazil
| | | | | | - Márcia Renata Mortari
- Laboratory of Neuropharmacology, Department of Physiological Sciences, Biology Institute, University of Brasilia, Federal District, Brazil
| | | | - Claudia Coleine
- Department of Ecological and Biological Sciences, University of Tuscia, Viterbo, Italy
| | - Cláudia Pinto Figueiredo
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Andreza Fabro de Bem
- Department of Physiological Sciences, Institute of Biology, University of Brasilia, Brasilia, Brazil
- Brazilian National Institute of Science and Technology on Neuroimmunomodulation, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil
| | - Angélica Amorim Amato
- Laboratory of Molecular Pharmacology, School of Health Sciences, University of Brasilia, Brasilia, Brazil
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32
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Yu T, Gao Q, Zhang G, Li T, Liu X, Li C, Zheng L, Sun X, Wu J, Cao H, Bi F, Wang R, Liang H, Li X, Zhou Y, Lv L, Shan H. lncRNA Gm20257 alleviates pathological cardiac hypertrophy by modulating the PGC-1α-mitochondrial complex IV axis. Front Med 2024:10.1007/s11684-024-1065-7. [PMID: 38926249 DOI: 10.1007/s11684-024-1065-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 01/17/2024] [Indexed: 06/28/2024]
Abstract
Pathological cardiac hypertrophy, a major contributor to heart failure, is closely linked to mitochondrial function. The roles of long noncoding RNAs (lncRNAs), which regulate mitochondrial function, remain largely unexplored in this context. Herein, a previously unknown lncRNA, Gm20257, was identified. It markedly increased under hypertrophic stress in vivo and in vitro. The suppression of Gm20257 by using small interfering RNAs significantly induced cardiomyocyte hypertrophy. Conversely, the overexpression of Gm20257 through plasmid transfection or adeno-associated viral vector-9 mitigated angiotensin II-induced hypertrophic phenotypes in neonatal mouse ventricular cells or alleviated cardiac hypertrophy in a mouse TAC model respectively, thus restoring cardiac function. Importantly, Gm20257 restored mitochondrial complex IV level and enhanced mitochondrial function. Bioinformatics prediction showed that Gm20257 had a high binding score with peroxisome proliferator-activated receptor coactivator-1 (PGC-1α), which could increase mitochondrial complex IV. Subsequently, Western blot analysis results revealed that Gm20257 substantially affected the expression of PGC-1α. Further analyses through RNA immunoprecipitation and immunoblotting following RNA pull-down indicated that PGC-1α was a direct downstream target of Gm20257. This interaction was demonstrated to rescue the reduction of mitochondrial complex IV induced by hypertrophic stress and promote the generation of mitochondrial ATP. These findings suggest that Gm20257 improves mitochondrial function through the PGC-1α-mitochondrial complex IV axis, offering a novel approach for attenuating pathological cardiac hypertrophy.
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Affiliation(s)
- Tong Yu
- Shanghai Frontiers Science Research Center for Druggability of Cardiovascular Noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai, 201620, China
| | - Qiang Gao
- Department of Physiology, School of Basic Medicine, Harbin Medical University, Harbin, 150081, China
| | - Guofang Zhang
- State Key Laboratory of Frigid Zone Cardiovascular Disease, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Tianyu Li
- State Key Laboratory of Frigid Zone Cardiovascular Disease, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Xiaoshan Liu
- Shanghai Frontiers Science Research Center for Druggability of Cardiovascular Noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai, 201620, China
| | - Chao Li
- State Key Laboratory of Frigid Zone Cardiovascular Disease, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Lan Zheng
- Department of Physiology, School of Basic Medicine, Harbin Medical University, Harbin, 150081, China
| | - Xiang Sun
- State Key Laboratory of Frigid Zone Cardiovascular Disease, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Jianbo Wu
- State Key Laboratory of Frigid Zone Cardiovascular Disease, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Huiying Cao
- State Key Laboratory of Frigid Zone Cardiovascular Disease, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Fangfang Bi
- State Key Laboratory of Frigid Zone Cardiovascular Disease, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Ruifeng Wang
- State Key Laboratory of Frigid Zone Cardiovascular Disease, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Haihai Liang
- State Key Laboratory of Frigid Zone Cardiovascular Disease, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Xuelian Li
- State Key Laboratory of Frigid Zone Cardiovascular Disease, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Yuhong Zhou
- State Key Laboratory of Frigid Zone Cardiovascular Disease, Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, 150081, China
| | - Lifang Lv
- Department of Physiology, School of Basic Medicine, Harbin Medical University, Harbin, 150081, China.
- The Center of Functional Experiment Teaching, School of Basic Medicine, Harbin Medical University, Harbin, 150081, China.
| | - Hongli Shan
- Shanghai Frontiers Science Research Center for Druggability of Cardiovascular Noncoding RNA, Institute for Frontier Medical Technology, Shanghai University of Engineering Science, Shanghai, 201620, China.
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Franco D, Sánchez-Fernández C, García-Padilla C, Lozano-Velasco E. Exploring the role non-coding RNAs during myocardial cell fate. Biochem Soc Trans 2024; 52:1339-1348. [PMID: 38775188 DOI: 10.1042/bst20231216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 05/02/2024] [Accepted: 05/07/2024] [Indexed: 06/27/2024]
Abstract
Myocardial cell fate specification takes place during the early stages of heart development as the precardiac mesoderm is configured into two symmetrical sets of bilateral precursor cells. Molecular cues of the surrounding tissues specify and subsequently determine the early cardiomyocytes, that finally matured as the heart is completed at early postnatal stages. Over the last decade, we have greatly enhanced our understanding of the transcriptional regulation of cardiac development and thus of myocardial cell fate. The recent discovery of a novel layer of gene regulation by non-coding RNAs has flourished their implication in epigenetic, transcriptional and post-transcriptional regulation of cardiac development. In this review, we revised the current state-of-the-art knowledge on the functional role of non-coding RNAs during myocardial cell fate.
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Affiliation(s)
- Diego Franco
- Cardiovascular Development Group, Department of Experimental Biology, University of Jaen, Jaen 23071, Spain
- Fundación Medina, Granada, Spain
| | - Cristina Sánchez-Fernández
- Cardiovascular Development Group, Department of Experimental Biology, University of Jaen, Jaen 23071, Spain
- Fundación Medina, Granada, Spain
| | - Carlos García-Padilla
- Cardiovascular Development Group, Department of Experimental Biology, University of Jaen, Jaen 23071, Spain
- Fundación Medina, Granada, Spain
| | - Estefania Lozano-Velasco
- Cardiovascular Development Group, Department of Experimental Biology, University of Jaen, Jaen 23071, Spain
- Fundación Medina, Granada, Spain
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Habib AM, Cox JJ, Okorokov AL. Out of the dark: the emerging roles of lncRNAs in pain. Trends Genet 2024:S0168-9525(24)00096-9. [PMID: 38926010 DOI: 10.1016/j.tig.2024.04.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 04/16/2024] [Accepted: 04/17/2024] [Indexed: 06/28/2024]
Abstract
The dark genome, the nonprotein-coding part of the genome, is replete with long noncoding RNAs (lncRNAs). These functionally versatile transcripts, with specific temporal and spatial expression patterns, are critical gene regulators that play essential roles in health and disease. In recent years, FAAH-OUT was identified as the first lncRNA associated with an inherited human pain insensitivity disorder. Several other lncRNAs have also been studied for their contribution to chronic pain and genome-wide association studies are frequently identifying single nucleotide polymorphisms that map to lncRNAs. For a long time overlooked, lncRNAs are coming out of the dark and into the light as major players in human pain pathways and as potential targets for new RNA-based analgesic medicines.
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Affiliation(s)
- Abdella M Habib
- College of Medicine, QU Health, Qatar University, PO Box 2713, Doha, Qatar
| | - James J Cox
- Wolfson Institute for Biomedical Research, Division of Medicine, University College London, London, WC1E 6BT, UK.
| | - Andrei L Okorokov
- Wolfson Institute for Biomedical Research, Division of Medicine, University College London, London, WC1E 6BT, UK.
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Chuang TD, Ton N, Manrique N, Rysling S, Khorram O. Targeting the long non-coding RNA MIAT for the treatment of fibroids in an animal model. Clin Sci (Lond) 2024; 138:699-709. [PMID: 38817011 PMCID: PMC11166562 DOI: 10.1042/cs20240190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 05/03/2024] [Accepted: 05/30/2024] [Indexed: 06/01/2024]
Abstract
Our previous studies indicated that there is overexpression of MIAT in fibroids and MIAT is a sponge for the miR-29 family in these tumors. The objective of the present study was to determine if the knockdown of MIAT in fibroid xenografts will increase miR-29 levels and reduce the expression of genes targeted by this miRNA such as collagen and cell cycle regulatory proteins in a mouse model for fibroids. Ovariectomized CB-17 SCID/Beige mice bearing estrogen/progesterone pellets were implanted subcutaneously in the flank with equal weight of fibroid explants which had been transduced by lentivirus for either control (empty vector) or MIAT knockdown for four weeks (n=7). Knockdown of MIAT in fibroid xenografts resulted in a 30% reduction of tumor weight and a marked increase in miR-29a, -b, and -c levels in the xenografts. There was reduced cell proliferation and expression of cell cycle regulatory genes CCND1, CDK2, and E2F1 and no significant changes in apoptosis. The xenografts with MIAT knockdown expressed lower mRNA and protein levels of FN1, COL3A1, and TGF-β3, and total collagen protein. Targeting MIAT, which sponges the pro-fibrotic miR-29 family, is an effective therapy for fibroids by reducing cell proliferation and thereby, tumor growth and accumulation of ECM, which is a hallmark of these benign gynecologic tumors.
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Affiliation(s)
- Tsai-Der Chuang
- Department of Obstetrics and Gynecology, Harbor-UCLA Medical Center, Torrance, CA, U.S.A
- The Lundquist Institute for Biomedical Innovation, Torrance, CA, U.S.A
| | - Nhu Ton
- The Lundquist Institute for Biomedical Innovation, Torrance, CA, U.S.A
| | - Nathaly Manrique
- The Lundquist Institute for Biomedical Innovation, Torrance, CA, U.S.A
| | - Shawn Rysling
- The Lundquist Institute for Biomedical Innovation, Torrance, CA, U.S.A
| | - Omid Khorram
- Department of Obstetrics and Gynecology, Harbor-UCLA Medical Center, Torrance, CA, U.S.A
- The Lundquist Institute for Biomedical Innovation, Torrance, CA, U.S.A
- Department of Obstetrics and Gynecology, David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, CA, U.S.A
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Alkhazaali-Ali Z, Sahab-Negah S, Boroumand AR, Tavakol-Afshari J. MicroRNA (miRNA) as a biomarker for diagnosis, prognosis, and therapeutics molecules in neurodegenerative disease. Biomed Pharmacother 2024; 177:116899. [PMID: 38889636 DOI: 10.1016/j.biopha.2024.116899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 05/29/2024] [Accepted: 06/06/2024] [Indexed: 06/20/2024] Open
Abstract
Neurodegenerative diseases that include Alzheimer's disease (AD), amyotrophic lateral sclerosis (ALS), Parkinson's disease (PD), Huntington's disease (HD), and multiple sclerosis (MS) that arise due to numerous causes like protein accumulation and autoimmunity characterized by neurologic depletion which lead to incapacity in normal physiological function such as thinking and movement in these patients. Glial cells perform an important role in protective neuronal function; in the case of neuroinflammation, glial cell dysfunction can promote the development of neurodegenerative diseases. miRNA that participates in gene regulation and plays a vital role in many biological processes in the body; in the central nervous system (CNS), it can play an essential part in neural maturation and differentiation. In neurodegenerative diseases, miRNA dysregulation occurs, enhancing the development of these diseases. In this review, we discuss neurodegenerative disease (Alzheimer's disease (AD), Parkinson's disease (PD), amyotrophic lateral sclerosis (ALS), and multiple sclerosis (MS)) and how miRNA is preserved as a diagnostic biomarker or therapeutic agent in these disorders. Finally, we highlight miRNA as therapy.
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Affiliation(s)
- Zahraa Alkhazaali-Ali
- Department of Immunology, Immunology Research Center, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran; Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Sajad Sahab-Negah
- Neuroscience Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Shefa Neuroscience Research Center, Khatam Alanbia Hospital, Tehran, Iran
| | - Amir Reza Boroumand
- Neuroscience Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Jalil Tavakol-Afshari
- Department of Immunology, Immunology Research Center, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
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Mitrokhin V, Hadzi-Petrushev N, Kazanski V, Schileyko S, Kamkina O, Rodina A, Zolotareva A, Zolotarev V, Kamkin A, Mladenov M. The Role of K ACh Channels in Atrial Fibrillation. Cells 2024; 13:1014. [PMID: 38920645 PMCID: PMC11201540 DOI: 10.3390/cells13121014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2024] [Revised: 06/05/2024] [Accepted: 06/07/2024] [Indexed: 06/27/2024] Open
Abstract
This manuscript explores the intricate role of acetylcholine-activated inward rectifier potassium (KACh) channels in the pathogenesis of atrial fibrillation (AF), a common cardiac arrhythmia. It delves into the molecular and cellular mechanisms that underpin AF, emphasizing the vital function of KACh channels in modulating the atrial action potential and facilitating arrhythmogenic conditions. This study underscores the dual nature of KACh activation and its genetic regulation, revealing that specific variations in potassium channel genes, such as Kir3.4 and K2P3.1, significantly influence the electrophysiological remodeling associated with AF. Furthermore, this manuscript identifies the crucial role of the KACh-mediated current, IKACh, in sustaining arrhythmia through facilitating shorter re-entry circuits and stabilizing the re-entrant circuits, particularly in response to vagal nerve stimulation. Experimental findings from animal models, which could not induce AF in the absence of muscarinic activation, highlight the dependency of AF induction on KACh channel activity. This is complemented by discussions on therapeutic interventions, where KACh channel blockers have shown promise in AF management. Additionally, this study discusses the broader implications of KACh channel behavior, including its ubiquitous presence across different cardiac regions and species, contributing to a comprehensive understanding of AF dynamics. The implications of these findings are profound, suggesting that targeting KACh channels might offer new therapeutic avenues for AF treatment, particularly in cases resistant to conventional approaches. By integrating genetic, cellular, and pharmacological perspectives, this manuscript offers a holistic view of the potential mechanisms and therapeutic targets in AF, making a significant contribution to the field of cardiac arrhythmia research.
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Affiliation(s)
- Vadim Mitrokhin
- Institute of Physiology, Federal State Autonomous Educational Institution of Higher Education “N.I. Pirogov, Russian National Research Medical University” Ministry of Health, 117997 Moscow, Russia; (V.M.); (V.K.); (S.S.); (O.K.); (A.R.); (A.Z.); (V.Z.); (A.K.)
| | - Nikola Hadzi-Petrushev
- Institute of Biology, Faculty of Natural Sciences and Mathematics, Ss. Cyril and Methodius University, 1000 Skopje, North Macedonia;
| | - Viktor Kazanski
- Institute of Physiology, Federal State Autonomous Educational Institution of Higher Education “N.I. Pirogov, Russian National Research Medical University” Ministry of Health, 117997 Moscow, Russia; (V.M.); (V.K.); (S.S.); (O.K.); (A.R.); (A.Z.); (V.Z.); (A.K.)
| | - Stanislav Schileyko
- Institute of Physiology, Federal State Autonomous Educational Institution of Higher Education “N.I. Pirogov, Russian National Research Medical University” Ministry of Health, 117997 Moscow, Russia; (V.M.); (V.K.); (S.S.); (O.K.); (A.R.); (A.Z.); (V.Z.); (A.K.)
| | - Olga Kamkina
- Institute of Physiology, Federal State Autonomous Educational Institution of Higher Education “N.I. Pirogov, Russian National Research Medical University” Ministry of Health, 117997 Moscow, Russia; (V.M.); (V.K.); (S.S.); (O.K.); (A.R.); (A.Z.); (V.Z.); (A.K.)
| | - Anastasija Rodina
- Institute of Physiology, Federal State Autonomous Educational Institution of Higher Education “N.I. Pirogov, Russian National Research Medical University” Ministry of Health, 117997 Moscow, Russia; (V.M.); (V.K.); (S.S.); (O.K.); (A.R.); (A.Z.); (V.Z.); (A.K.)
| | - Alexandra Zolotareva
- Institute of Physiology, Federal State Autonomous Educational Institution of Higher Education “N.I. Pirogov, Russian National Research Medical University” Ministry of Health, 117997 Moscow, Russia; (V.M.); (V.K.); (S.S.); (O.K.); (A.R.); (A.Z.); (V.Z.); (A.K.)
| | - Valentin Zolotarev
- Institute of Physiology, Federal State Autonomous Educational Institution of Higher Education “N.I. Pirogov, Russian National Research Medical University” Ministry of Health, 117997 Moscow, Russia; (V.M.); (V.K.); (S.S.); (O.K.); (A.R.); (A.Z.); (V.Z.); (A.K.)
| | - Andre Kamkin
- Institute of Physiology, Federal State Autonomous Educational Institution of Higher Education “N.I. Pirogov, Russian National Research Medical University” Ministry of Health, 117997 Moscow, Russia; (V.M.); (V.K.); (S.S.); (O.K.); (A.R.); (A.Z.); (V.Z.); (A.K.)
| | - Mitko Mladenov
- Institute of Physiology, Federal State Autonomous Educational Institution of Higher Education “N.I. Pirogov, Russian National Research Medical University” Ministry of Health, 117997 Moscow, Russia; (V.M.); (V.K.); (S.S.); (O.K.); (A.R.); (A.Z.); (V.Z.); (A.K.)
- Institute of Biology, Faculty of Natural Sciences and Mathematics, Ss. Cyril and Methodius University, 1000 Skopje, North Macedonia;
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Jiang P, Di Z, Huang W, Xie L. Modulating the Gut Microbiota and Metabolites with Traditional Chinese Medicines: An Emerging Therapy for Type 2 Diabetes Mellitus and Its Complications. Molecules 2024; 29:2747. [PMID: 38930814 PMCID: PMC11206945 DOI: 10.3390/molecules29122747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 05/30/2024] [Accepted: 06/03/2024] [Indexed: 06/28/2024] Open
Abstract
Currently, an estimated 537 million individuals are affected by type 2 diabetes mellitus (T2DM), the occurrence of which is invariably associated with complications. Glucose-lowering therapy remains the main treatment for alleviating T2DM. However, conventional antidiabetic agents are fraught with numerous adverse effects, notably elevations in blood pressure and lipid levels. Recently, the use of traditional Chinese medicines (TCMs) and their constituents has emerged as a preferred management strategy aimed at curtailing the progression of diabetes and its associated complications with fewer adverse effects. Increasing evidence indicates that gut microbiome disturbances are involved in the development of T2DM and its complications. This regulation depends on various metabolites produced by gut microbes and their interactions with host organs. TCMs' interventions have demonstrated the ability to modulate the intestinal bacterial microbiota, thereby restoring host homeostasis and ameliorating metabolic disorders. This review delves into the alterations in the gut microbiota and metabolites in T2DM patients and how TCMs treatment regulates the gut microbiota, facilitating the management of T2DM and its complications. Additionally, we also discuss prospective avenues for research on natural products to advance diabetes therapy.
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Affiliation(s)
- Peiyan Jiang
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Zhenghan Di
- National Engineering Research Center for Beijing Biochip Technology, Beijing 102206, China
| | - Wenting Huang
- Medical Systems Biology Research Center, School of Medicine, Tsinghua University, Beijing 100084, China
| | - Lan Xie
- National Engineering Research Center for Beijing Biochip Technology, Beijing 102206, China
- Medical Systems Biology Research Center, School of Medicine, Tsinghua University, Beijing 100084, China
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Poljšak B, Milisav I. Decreasing Intracellular Entropy by Increasing Mitochondrial Efficiency and Reducing ROS Formation-The Effect on the Ageing Process and Age-Related Damage. Int J Mol Sci 2024; 25:6321. [PMID: 38928027 PMCID: PMC11203720 DOI: 10.3390/ijms25126321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 06/01/2024] [Accepted: 06/04/2024] [Indexed: 06/28/2024] Open
Abstract
A hypothesis is presented to explain how the ageing process might be influenced by optimizing mitochondrial efficiency to reduce intracellular entropy. Research-based quantifications of entropy are scarce. Non-equilibrium metabolic reactions and compartmentalization were found to contribute most to lowering entropy in the cells. Like the cells, mitochondria are thermodynamically open systems exchanging matter and energy with their surroundings-the rest of the cell. Based on the calculations from cancer cells, glycolysis was reported to produce less entropy than mitochondrial oxidative phosphorylation. However, these estimations depended on the CO2 concentration so that at slightly increased CO2, it was oxidative phosphorylation that produced less entropy. Also, the thermodynamic efficiency of mitochondrial respiratory complexes varies depending on the respiratory state and oxidant/antioxidant balance. Therefore, in spite of long-standing theoretical and practical efforts, more measurements, also in isolated mitochondria, with intact and suboptimal respiration, are needed to resolve the issue. Entropy increases in ageing while mitochondrial efficiency of energy conversion, quality control, and turnover mechanisms deteriorate. Optimally functioning mitochondria are necessary to meet energy demands for cellular defence and repair processes to attenuate ageing. The intuitive approach of simply supplying more metabolic fuels (more nutrients) often has the opposite effect, namely a decrease in energy production in the case of nutrient overload. Excessive nutrient intake and obesity accelerate ageing, while calorie restriction without malnutrition can prolong life. Balanced nutrient intake adapted to needs/activity-based high ATP requirement increases mitochondrial respiratory efficiency and leads to multiple alterations in gene expression and metabolic adaptations. Therefore, rather than overfeeding, it is necessary to fine-tune energy production by optimizing mitochondrial function and reducing oxidative stress; the evidence is discussed in this paper.
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Affiliation(s)
- Borut Poljšak
- Laboratory of Oxidative Stress Research, Faculty of Health Sciences, University of Ljubljana, Zdravstvena pot 5, SI-1000 Ljubljana, Slovenia;
| | - Irina Milisav
- Laboratory of Oxidative Stress Research, Faculty of Health Sciences, University of Ljubljana, Zdravstvena pot 5, SI-1000 Ljubljana, Slovenia;
- Faculty of Medicine, Institute of Pathophysiology, University of Ljubljana, Zaloska 4, SI-1000 Ljubljana, Slovenia
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Sönmez MI, Goldack S, Nurkkala E, Schulz C, Klampe B, Schulze T, Hansen A, Eschenhagen T, Koivumäki J, Christ T. Human induced pluripotent stem cell-derived atrial cardiomyocytes recapitulate contribution of the slowly activating delayed rectifier currents IKs to repolarization in the human atrium. Europace 2024; 26:euae140. [PMID: 38788213 PMCID: PMC11167676 DOI: 10.1093/europace/euae140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 05/23/2024] [Indexed: 05/26/2024] Open
Abstract
AIMS Human induced pluripotent stem cell-derived atrial cardiomyocytes (hiPSC-aCM) could be a helpful tool to study the physiology and diseases of the human atrium. To fulfil this expectation, the electrophysiology of hiPSC-aCM should closely resemble the situation in the human atrium. Data on the contribution of the slowly activating delayed rectifier currents (IKs) to repolarization are lacking for both human atrium and hiPSC-aCM. METHODS AND RESULTS Human atrial tissues were obtained from patients with sinus rhythm (SR) or atrial fibrillation (AF). Currents were measured in human atrial cardiomyocytes (aCM) and compared with hiPSC-aCM and used to model IKs contribution to action potential (AP) shape. Action potential was recorded by sharp microelectrodes. HMR-1556 (1 µM) was used to identify IKs and to estimate IKs contribution to repolarization. Less than 50% of hiPSC-aCM and aCM possessed IKs. Frequency of occurrence, current densities, activation/deactivation kinetics, and voltage dependency of IKs did not differ significantly between hiPSC-aCM and aCM, neither in SR nor AF. β-Adrenoceptor stimulation with isoprenaline did not increase IKs neither in aCM nor in hiPSC-aCM. In tissue from SR, block of IKs with HMR-1556 did not lengthen the action potential duration, even when repolarization reserve was reduced by block of the ultra-rapid repolarizing current with 4-aminopyridine or the rapidly activating delayed rectifier potassium outward current with E-4031. CONCLUSION I Ks exists in hiPSC-aCM with biophysics not different from aCM. As in adult human atrium (SR and AF), IKs does not appear to relevantly contribute to repolarization in hiPSC-aCM.
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Affiliation(s)
- Muhammed Ikbal Sönmez
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246 Hamburg, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Martinistrasse 52, 20246 Hamburg, Germany
| | - Silvana Goldack
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246 Hamburg, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Martinistrasse 52, 20246 Hamburg, Germany
- Department of Pharmacology and Toxicology, Medical Faculty Carl Gustav Carus, Dresden University of Technology, Dresden, Germany
| | - Elina Nurkkala
- Tech Unit and Centre of Excellence in Body-on-Chip Research (CoEBoC), Faculty of Medicine and Health Technology, Tampere University, Tampere, Finnland
| | - Carl Schulz
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246 Hamburg, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Martinistrasse 52, 20246 Hamburg, Germany
| | - Birgit Klampe
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246 Hamburg, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Martinistrasse 52, 20246 Hamburg, Germany
| | - Thomas Schulze
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246 Hamburg, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Martinistrasse 52, 20246 Hamburg, Germany
| | - Arne Hansen
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246 Hamburg, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Martinistrasse 52, 20246 Hamburg, Germany
| | - Thomas Eschenhagen
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246 Hamburg, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Martinistrasse 52, 20246 Hamburg, Germany
| | - Jussi Koivumäki
- Tech Unit and Centre of Excellence in Body-on-Chip Research (CoEBoC), Faculty of Medicine and Health Technology, Tampere University, Tampere, Finnland
| | - Torsten Christ
- Institute of Experimental Pharmacology and Toxicology, University Medical Center Hamburg-Eppendorf, Martinistraße 52, 20246 Hamburg, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Hamburg/Kiel/Lübeck, Martinistrasse 52, 20246 Hamburg, Germany
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Li X, Wang Z, Chen N. Perspective and Therapeutic Potential of the Noncoding RNA-Connexin Axis. Int J Mol Sci 2024; 25:6146. [PMID: 38892334 PMCID: PMC11173347 DOI: 10.3390/ijms25116146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2024] [Revised: 05/27/2024] [Accepted: 05/30/2024] [Indexed: 06/21/2024] Open
Abstract
Noncoding RNAs (ncRNAs) are a class of nucleotide sequences that cannot be translated into peptides. ncRNAs can function post-transcriptionally by splicing complementary sequences of mRNAs or other ncRNAs or by directly engaging in protein interactions. Over the past few decades, the pervasiveness of ncRNAs in cell physiology and their pivotal roles in various diseases have been identified. One target regulated by ncRNAs is connexin (Cx), a protein that forms gap junctions and hemichannels and facilitates intercellular molecule exchange. The aberrant expression and misdistribution of connexins have been implicated in central nervous system diseases, cardiovascular diseases, bone diseases, and cancer. Current databases and technologies have enabled researchers to identify the direct or indirect relationships between ncRNAs and connexins, thereby elucidating their correlation with diseases. In this review, we selected the literature published in the past five years concerning disorders regulated by ncRNAs via corresponding connexins. Among it, microRNAs that regulate the expression of Cx43 play a crucial role in disease development and are predominantly reviewed. The distinctive perspective of the ncRNA-Cx axis interprets pathology in an epigenetic manner and is expected to motivate research for the development of biomarkers and therapeutics.
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Affiliation(s)
| | - Zhenzhen Wang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China;
| | - Naihong Chen
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China;
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Guevara A, Smith CER, Caldwell JL, Ngo L, Mott LR, Lee IJ, Tapa S, Wang Z, Wang L, Woodward WR, Ng GA, Habecker BA, Ripplinger CM. Chronic nicotine exposure is associated with electrophysiological and sympathetic remodeling in the intact rabbit heart. Am J Physiol Heart Circ Physiol 2024; 326:H1337-H1349. [PMID: 38551482 DOI: 10.1152/ajpheart.00749.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 03/27/2024] [Accepted: 03/27/2024] [Indexed: 04/09/2024]
Abstract
Nicotine is the primary addictive component of tobacco products. Through its actions on the heart and autonomic nervous system, nicotine exposure is associated with electrophysiological changes and increased arrhythmia susceptibility. To assess the underlying mechanisms, we treated rabbits with transdermal nicotine (NIC, 21 mg/day) or control (CT) patches for 28 days before performing dual optical mapping of transmembrane potential (RH237) and intracellular Ca2+ (Rhod-2 AM) in isolated hearts with intact sympathetic innervation. Sympathetic nerve stimulation (SNS) was performed at the first to third thoracic vertebrae, and β-adrenergic responsiveness was additionally evaluated following norepinephrine (NE) perfusion. Baseline ex vivo heart rate (HR) and SNS stimulation threshold were higher in NIC versus CT (P = 0.004 and P = 0.003, respectively). Action potential duration alternans emerged at longer pacing cycle lengths (PCL) in NIC versus CT at baseline (P = 0.002) and during SNS (P = 0.0003), with similar results obtained for Ca2+ transient alternans. SNS shortened the PCL at which alternans emerged in CT but not in NIC hearts. NIC-exposed hearts tended to have slower and reduced HR responses to NE perfusion, but ventricular responses to NE were comparable between groups. Although fibrosis was unaltered, NIC hearts had lower sympathetic nerve density (P = 0.03) but no difference in NE content versus CT. These results suggest both sympathetic hypoinnervation of the myocardium and regional differences in β-adrenergic responsiveness with NIC. This autonomic remodeling may contribute to the increased risk of arrhythmias associated with nicotine exposure, which may be further exacerbated with long-term use.NEW & NOTEWORTHY Here, we show that chronic nicotine exposure was associated with increased heart rate, increased susceptibility to alternans, and reduced sympathetic electrophysiological responses in the intact rabbit heart. We suggest that this was due to sympathetic hypoinnervation of the myocardium and diminished β-adrenergic responsiveness of the sinoatrial node following nicotine treatment. Though these differences did not result in increased arrhythmia propensity in our study, we hypothesize that prolonged nicotine exposure may exacerbate this proarrhythmic remodeling.
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Affiliation(s)
- Amanda Guevara
- Department of Pharmacology, University of California Davis, Davis, California, United States
| | - Charlotte E R Smith
- Department of Pharmacology, University of California Davis, Davis, California, United States
| | - Jessica L Caldwell
- Department of Pharmacology, University of California Davis, Davis, California, United States
| | - Lena Ngo
- Department of Pharmacology, University of California Davis, Davis, California, United States
| | - Lilian R Mott
- Department of Pharmacology, University of California Davis, Davis, California, United States
| | - I-Ju Lee
- Department of Pharmacology, University of California Davis, Davis, California, United States
| | - Srinivas Tapa
- Department of Pharmacology, University of California Davis, Davis, California, United States
| | - Zhen Wang
- Department of Pharmacology, University of California Davis, Davis, California, United States
- Shantou University Medical College, Shantou, People's Republic of China
| | - Lianguo Wang
- Department of Pharmacology, University of California Davis, Davis, California, United States
| | - William R Woodward
- Department of Chemical Physiology and Biochemistry, Oregon Health and Science University, Portland, Oregon, United States
| | - G Andre Ng
- Department of Cardiovascular Sciences, University of Leicester, Leicester, United Kingdom
- National Institute for Health and Care Research, Leicester Biomedical Research Centre, Leicester, United Kingdom
- Glenfield Hospital, Leicester, United Kingdom
| | - Beth A Habecker
- Department of Chemical Physiology and Biochemistry, Oregon Health and Science University, Portland, Oregon, United States
- Department of Medicine and Knight Cardiovascular Institute, Oregon Health and Science University, Portland, Oregon, United States
| | - Crystal M Ripplinger
- Department of Pharmacology, University of California Davis, Davis, California, United States
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Pang S, Chen B, Li Y, Wu S, Chen L. miR-92a-3p promotes pulmonary fibrosis progression by regulating KLF2-mediated endothelial-to-mesenchymal transition. Cytotechnology 2024; 76:291-300. [PMID: 38736725 PMCID: PMC11082104 DOI: 10.1007/s10616-024-00617-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 01/10/2024] [Indexed: 05/14/2024] Open
Abstract
Pulmonary fibrosis (PF) is a chronic lung disease that has a poor prognosis and a serious impact on the quality of life of patients. Here, we investigated the potential role of miR-92a-3p in PF. The mRNA level of miR-92a-3p was significantly increased in both the lung tissues of bleomycin (BLM)--treated mice and pulmonary microvascular endothelial cells (PMVECs). Overexpressing miR-92a-3p increased the mRNA and protein levels of α‑SMA, vimentin, and Col-1 but downregulated E-cadherin. Additionally, the protein and mRNA expression levels of KLF2 were significantly decreased in the lung tissues of BLM-treated mice, suggesting that KLF2 participated in the progression of BLM-induced PF. Downregulating miR-92a-3p upregulated the expression of KLF2 and inhibited the endothelial-to-mesenchymal transition (EndoMT) process, thus alleviating PF in vivo. Altogether, a miR-92a-3p deficiency could significantly reduce the development of myofibroblasts and ameliorate PF progression.
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Affiliation(s)
- Sisi Pang
- Division of Geriatric Cardiology, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029 People’s Republic of China
| | - Bo Chen
- Division of Geriatric Respiratory, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029 People’s Republic of China
| | - Yan Li
- Division of Geriatric Respiratory, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029 People’s Republic of China
| | - Shuangshuang Wu
- Division of Geriatric Respiratory, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029 People’s Republic of China
| | - Lei Chen
- Division of Geriatric Respiratory, The First Affiliated Hospital of Nanjing Medical University, 300 Guangzhou Road, Nanjing, 210029 People’s Republic of China
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Shen J, Fu H, Ding Y, Yuan Z, Xiang Z, Ding M, Huang M, Peng Y, Li T, Zha K, Ye Q. The role of iron overload and ferroptosis in arrhythmia pathogenesis. IJC HEART & VASCULATURE 2024; 52:101414. [PMID: 38694269 PMCID: PMC11060960 DOI: 10.1016/j.ijcha.2024.101414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Revised: 04/20/2024] [Accepted: 04/23/2024] [Indexed: 05/04/2024]
Abstract
Ferroptosis is a newly discovered form of programmed cell death triggered by intracellular iron overload, which leads to the accumulation of lipid peroxides in various cells. It has been implicated in the pathogenesis and progression of various diseases, including tumors, neurological disorders, and cardiovascular diseases. The intricate mechanism underlying ferroptosis involves an imbalance between the oxidation and antioxidant systems, disturbances in iron metabolism, membrane lipid peroxidation, and dysregulation of amino acid metabolism. We highlight the key molecular mechanisms governing iron overload and ferroptosis, and discuss potential molecular pathways linking ferroptosis with arrhythmias.
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Affiliation(s)
- Jingsong Shen
- Department of Cardiology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Hengsong Fu
- Department of Cardiology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Yanling Ding
- Department of Cardiology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Ziyang Yuan
- Department of Cardiology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Zeming Xiang
- Department of Cardiology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Miao Ding
- Department of Cardiology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Min Huang
- Department of Cardiology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Yongquan Peng
- Department of Cardiology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Tao Li
- Department of Cardiology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
- Key Laboratory of Medical Electrophysiology of Ministry of Education and Medical Electrophysiological Key Laboratory of Sichuan Province, Collaborative Innovation Center for Prevention and Treatment of Cardiovascular Disease, Institute of Cardiovascular Research, Southwest Medical University, Luzhou 646000, China
| | - Kelan Zha
- Department of Cardiology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
| | - Qiang Ye
- Department of Cardiology, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
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Baig MFA, Chaliki K. The impact of smoking on third-degree atrioventricular block outcomes: A propensity-matched analysis. INTERNATIONAL JOURNAL OF CARDIOLOGY. CARDIOVASCULAR RISK AND PREVENTION 2024; 21:200289. [PMID: 38828463 PMCID: PMC11139760 DOI: 10.1016/j.ijcrp.2024.200289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2024] [Revised: 04/29/2024] [Accepted: 05/20/2024] [Indexed: 06/05/2024]
Abstract
Background Third-degree atrioventricular (AV) blocks are rare but cause significant symptoms and require immediate intervention. Coronary artery disease (CAD) is felt to be the most common etiology. Although smoking is a prominent risk factor for CAD, there is a paucity of data assessing the direct effect of smoking on third-degree AV block. Methods We performed a retrospective cohort study on adult-weighted admissions in 2019-2020 with a primary diagnosis of third-degree AV block and a history of smoking using the National Inpatient Sample (NIS) database. In-hospital mortality, rates of pacemaker insertion, cardiogenic shock, cardiac arrest, acute kidney injury (AKI), stroke, tracheal intubation, mechanical ventilation, mechanical circulatory support, vasopressor use, length of stay (LOS), and total hospitalization costs were analyzed using regression analysis. We performed a secondary analysis using propensity score matching to confirm the results. Results A total of 77,650 admissions met inclusion criteria (33,625 females [43.3 %], 58,315. Caucasians [75 %], 7030 African American [9 %], 6155 Hispanic [7.9 %]; mean [SD] age 75.4.[10.2] years) before propensity matching. A total of 29,380 (37.8 %) patients with AV block were smokers.A total of 5560 patients with and without a history of smoking were matched for the analysis. Smokers had.decreased odds of mortality (aOR, 0.59; CI, 0.44-0.78; p < 0.001), cardiogenic shock, cardiac arrest, tracheal intubation, mechanical ventilation, shorter LOS, and lower total hospital costs in both the multivariable regression and propensity-matched analyses. Conclusion Third-degree AV block had lower in-hospital mortality, cardiogenic shock, cardiac arrest, LOS, and total hospitalization cost in patients with smoking history.
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Affiliation(s)
- Mirza Faris Ali Baig
- Asante Three Rivers Medical Center, 500 SW Ramsey Avenue, Grants Pass, OR, USA, 97527
| | - Kalyan Chaliki
- University of Arizona. 1200 E University Blvd, Tucson, AZ, USA, 85721
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Tian W, Liu L, Wang R, Quan Y, Tang B, Yu D, Zhang L, Hua H, Zhao J. Gut microbiota in insulin resistance: a bibliometric analysis. J Diabetes Metab Disord 2024; 23:173-188. [PMID: 38932838 PMCID: PMC11196565 DOI: 10.1007/s40200-023-01342-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Accepted: 11/06/2023] [Indexed: 06/28/2024]
Abstract
Background Insulin resistance (IR) is considered the pathogenic driver of diabetes, and can lead to obesity, hypertension, coronary artery disease, metabolic syndrome, and other metabolic disorders. Accumulating evidence indicates that the connection between gut microbiota and IR. This bibliometric analysis aimed to summarize the knowledge structure of gut microbiota in IR. Methods Articles and reviews related to gut microbiota in IR from 2013 to 2022 were retrieved from the Web of Science Core Collection (WoSCC), and the bibliometric analysis and visualization were performed by Microsoft Excel, Origin, R package (bibliometrix), Citespace, and VOSviewer. Results A total of 4 749 publications from WoSCC were retrieved, including 3 050 articles and 1 699 reviews. The majority of publications were from China and USA. The University Copenhagen and Shanghai Jiao Tong University were the most active institutions. The journal of Nutrients published the most papers, while Nature was the top 1 co-cited journal, and the major area of these publications was molecular, biology, and immunology. Nieuwdorp M published the highest number of papers, and Cani PD had the highest co-citations. Keyword analysis showed that the most frequently occurring keywords were "gut microbiota", "insulin-resistance", "obesity", and "inflammation". Trend topics and thematic maps showed that serum metabolome and natural products, such as resveratrol, flavonoids were the research hotspots in this field. Conclusion This bibliometric analysis summarised the hotspots, frontiers, pathogenesis, and treatment strategies, providing a clear and comprehensive profile of gut microbiota in IR. Supplementary Information The online version contains supplementary material available at 10.1007/s40200-023-01342-x.
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Affiliation(s)
- Weiwei Tian
- Key Lab.: Biological Evaluation of TCM Quality of the State Administration of Traditional Chinese Medicine, Translational Chinese Medicine Key Laboratory of Sichuan Province, Sichuan Engineering Technology Research Center of Genuine Regional Drug, Sichuan Provincial Engineering Research Center of Formation Principle and Quality Evaluation of Genuine Medicinal Materials, Sichuan Academy of Chinese Medical Sciences, Sichuan Institute for Translational Chinese Medicine, 610041 Chengdu, China
| | - Li Liu
- Key Lab.: Biological Evaluation of TCM Quality of the State Administration of Traditional Chinese Medicine, Translational Chinese Medicine Key Laboratory of Sichuan Province, Sichuan Engineering Technology Research Center of Genuine Regional Drug, Sichuan Provincial Engineering Research Center of Formation Principle and Quality Evaluation of Genuine Medicinal Materials, Sichuan Academy of Chinese Medical Sciences, Sichuan Institute for Translational Chinese Medicine, 610041 Chengdu, China
| | - Ruirui Wang
- Shanghai Innovation Center of TCM Health Service, Shanghai University of Traditional Chinese Medicine, 201203 Shanghai, China
| | - Yunyun Quan
- Key Lab.: Biological Evaluation of TCM Quality of the State Administration of Traditional Chinese Medicine, Translational Chinese Medicine Key Laboratory of Sichuan Province, Sichuan Engineering Technology Research Center of Genuine Regional Drug, Sichuan Provincial Engineering Research Center of Formation Principle and Quality Evaluation of Genuine Medicinal Materials, Sichuan Academy of Chinese Medical Sciences, Sichuan Institute for Translational Chinese Medicine, 610041 Chengdu, China
| | - Bihua Tang
- Key Lab.: Biological Evaluation of TCM Quality of the State Administration of Traditional Chinese Medicine, Translational Chinese Medicine Key Laboratory of Sichuan Province, Sichuan Engineering Technology Research Center of Genuine Regional Drug, Sichuan Provincial Engineering Research Center of Formation Principle and Quality Evaluation of Genuine Medicinal Materials, Sichuan Academy of Chinese Medical Sciences, Sichuan Institute for Translational Chinese Medicine, 610041 Chengdu, China
| | - Dongmei Yu
- Key Lab.: Biological Evaluation of TCM Quality of the State Administration of Traditional Chinese Medicine, Translational Chinese Medicine Key Laboratory of Sichuan Province, Sichuan Engineering Technology Research Center of Genuine Regional Drug, Sichuan Provincial Engineering Research Center of Formation Principle and Quality Evaluation of Genuine Medicinal Materials, Sichuan Academy of Chinese Medical Sciences, Sichuan Institute for Translational Chinese Medicine, 610041 Chengdu, China
| | - Lei Zhang
- Shanghai Innovation Center of TCM Health Service, Shanghai University of Traditional Chinese Medicine, 201203 Shanghai, China
| | - Hua Hua
- Key Lab.: Biological Evaluation of TCM Quality of the State Administration of Traditional Chinese Medicine, Translational Chinese Medicine Key Laboratory of Sichuan Province, Sichuan Engineering Technology Research Center of Genuine Regional Drug, Sichuan Provincial Engineering Research Center of Formation Principle and Quality Evaluation of Genuine Medicinal Materials, Sichuan Academy of Chinese Medical Sciences, Sichuan Institute for Translational Chinese Medicine, 610041 Chengdu, China
| | - Junning Zhao
- Key Lab.: Biological Evaluation of TCM Quality of the State Administration of Traditional Chinese Medicine, Translational Chinese Medicine Key Laboratory of Sichuan Province, Sichuan Engineering Technology Research Center of Genuine Regional Drug, Sichuan Provincial Engineering Research Center of Formation Principle and Quality Evaluation of Genuine Medicinal Materials, Sichuan Academy of Chinese Medical Sciences, Sichuan Institute for Translational Chinese Medicine, 610041 Chengdu, China
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Arora T, Sharma G, Prashar V, Singh R, Sharma A, Changotra H, Parkash J. Mechanistic Evaluation of miRNAs and Their Targeted Genes in the Pathogenesis and Therapeutics of Parkinson's Disease. Mol Neurobiol 2024:10.1007/s12035-024-04261-x. [PMID: 38823001 DOI: 10.1007/s12035-024-04261-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Accepted: 05/13/2024] [Indexed: 06/03/2024]
Abstract
MicroRNA (miRNA) are usually 18-25 nucleotides long non-coding RNA targeting post-transcriptional regulation of genes involved in various biological processes. The function of miRNA is essential for maintaining a homeostatic cellular condition, regulating autophagy, cellular motility, and inflammation. Dysregulation of miRNA is responsible for multiple disorders, including neurodegeneration, which has emerged as a severe problem in recent times and has verified itself as a life-threatening condition that can be understood by the continuous destruction of neurons affecting various cognitive and motor functions. Parkinson's disease (PD) is the second most common, permanently debilitating neurodegenerative disorder after Alzheimer's, mainly characterized by uncontrolled tremor, stiffness, bradykinesia or akinesia (slowness in movement), and post-traumatic stress disorder. PD is mainly caused by the demolition of the primary dopamine neurotransmitter secretory cells and dopaminergic or dopamine secretory neurons in the substantia nigra pars compacta of the midbrain, which are majorly responsible for motor functions. In this study, a systematic evaluation of research articles from year 2017 to 2022 was performed on multiple search engines, and lists of miRNA being dysregulated in PD in different body components were generated. This study highlighted miR-7, miR-124, miR-29 family, and miR-425, showing altered expression levels during PD's progression, further regulating the expression of multiple genes responsible for PD.
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Affiliation(s)
- Tania Arora
- Department of Zoology, School of Biological Sciences, Central University of Punjab, Ghudda, Bathinda, 151401, Punjab, India
| | - Gaurav Sharma
- Department of Zoology, School of Biological Sciences, Central University of Punjab, Ghudda, Bathinda, 151401, Punjab, India
| | - Vikash Prashar
- Department of Zoology, School of Biological Sciences, Central University of Punjab, Ghudda, Bathinda, 151401, Punjab, India
| | - Randeep Singh
- Department of Zoology, School of Biological Sciences, Central University of Punjab, Ghudda, Bathinda, 151401, Punjab, India
| | - Arti Sharma
- Department of Computational Biology, School of Biological Sciences, Central University of Punjab, Ghudda, Bathinda, 151401, Punjab, India
| | - Harish Changotra
- Department of Molecular Biology and Biochemistry, Guru Nanak Dev University, Amritsar, 143101, Punjab, India
| | - Jyoti Parkash
- Department of Zoology, School of Biological Sciences, Central University of Punjab, Ghudda, Bathinda, 151401, Punjab, India.
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Garley M, Nowak K, Jabłońska E. Neutrophil microRNAs. Biol Rev Camb Philos Soc 2024; 99:864-877. [PMID: 38148491 DOI: 10.1111/brv.13048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 12/17/2023] [Accepted: 12/19/2023] [Indexed: 12/28/2023]
Abstract
Neutrophils are considered 'first-line defence' cells as they can be rapidly recruited to the site of the immune response. As key components of non-specific immune mechanisms, neutrophils use phagocytosis, degranulation, and formation of neutrophil extracellular traps (NETs) to fight pathogens. Recently, immunoregulatory abilities of neutrophils associated with the secretion of several mediators, including cytokines and extracellular vesicles (EVs) containing, among other components, microRNAs (miRNAs), have also been reported. EVs are small structures released by cells into the extracellular space and are present in all body fluids. Microvesicles show the composition and status of the releasing cell, its physiological state, and pathological changes. Currently, EVs have gained immense scientific interest as they act as transporters of epigenetic information in intercellular communication. This review summarises findings from recent scientific reports that have evaluated the utility of miRNA molecules as biomarkers for effective diagnostics or even as start-points for new therapeutic strategies in neutrophil-mediated immune reactions. In addition, this review describes the current state of knowledge on miRNA molecules, which are endogenous regulators of gene expression besides being involved in the regulation of the immune response.
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Affiliation(s)
- Marzena Garley
- Department of Immunology, Medical University of Bialystok, Waszyngtona 15A, Bialystok, 15-269, Poland
| | - Karolina Nowak
- Department of Obstetrics and Gynecology, C.S. Mott Center for Human Growth and Development, School of Medicine, Wayne State University, Detroit, MI, USA
| | - Ewa Jabłońska
- Department of Immunology, Medical University of Bialystok, Waszyngtona 15A, Bialystok, 15-269, Poland
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Schneegurt NR, Wright C, Glenn N, Thethi I. Flecainide-Induced Acute Respiratory Distress Syndrome: A Case Report. Cureus 2024; 16:e61637. [PMID: 38975498 PMCID: PMC11227613 DOI: 10.7759/cureus.61637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/04/2024] [Indexed: 07/09/2024] Open
Abstract
Flecainide is an antiarrhythmic drug that rarely causes lung injury. We present a case of flecainide-induced lung injury (FILI) that resulted in acute respiratory distress syndrome (ARDS) and resolved after flecainide discontinuation and corticosteroid treatment. FILI has been shown to occur days to two years after treatment initiation. Our presented case shows that FILI can occur after at least five years of therapy and is the first to show lung injury after a period of flecainide cessation and subsequent re-initiation. Clinical impacts may be large, as flecainide becomes more commonplace in medical pharmacopeia.
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Affiliation(s)
| | | | - Neil Glenn
- Internal Medicine, Mount Carmel Health System, Grove City, USA
| | - Inderpal Thethi
- Pulmonary and Critical Care Medicine, Mount Carmel Health System, Columbus, USA
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50
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Olson SR, Tang WHW, Liu CF. Non-Coding Ribonucleic Acids as Diagnostic and Therapeutic Targets in Cardiac Fibrosis. Curr Heart Fail Rep 2024; 21:262-275. [PMID: 38485860 PMCID: PMC11090942 DOI: 10.1007/s11897-024-00653-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/26/2024] [Indexed: 05/14/2024]
Abstract
PURPOSE OF REVIEW Cardiac fibrosis is a crucial juncture following cardiac injury and a precursor for many clinical heart disease manifestations. Epigenetic modulators, particularly non-coding RNAs (ncRNAs), are gaining prominence as diagnostic and therapeutic tools. RECENT FINDINGS miRNAs are short linear RNA molecules involved in post-transcriptional regulation; lncRNAs and circRNAs are RNA sequences greater than 200 nucleotides that also play roles in regulating gene expression through a variety of mechanisms including miRNA sponging, direct interaction with mRNA, providing protein scaffolding, and encoding their own products. NcRNAs have the capacity to regulate one another and form sophisticated regulatory networks. The individual roles and disease relevance of miRNAs, lncRNAs, and circRNAs to cardiac fibrosis have been increasingly well described, though the complexity of their interrelationships, regulatory dynamics, and context-specific roles needs further elucidation. This review provides an overview of select ncRNAs relevant in cardiac fibrosis as a surrogate for many cardiac disease states with a focus on crosstalk and regulatory networks, variable actions among different disease states, and the clinical implications thereof. Further, the clinical feasibility of diagnostic and therapeutic applications as well as the strategies underway to advance ncRNA theranostics is explored.
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Affiliation(s)
- Samuel R Olson
- Medicine Institute, Cleveland Clinic, Cleveland, OH, 44195, USA
| | - W H Wilson Tang
- Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH, 44195, USA
- Kaufman Center for Heart Failure Treatment and Recovery, Heart Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, OH, 44195, USA
| | - Chia-Feng Liu
- Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH, 44195, USA.
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